Connector for a helically grooved metallic conduit

Claim 2

A connector for mounting a conductor surrounded by a helically grooved metallic conduit to a junction box having a wall and a hole in said wall through which conductors pass, comprising, a one piece sheet metal member, said member having a center ring and having first and second pairs of projections extending rearwardly from said center ring, said first pair of projections extending from two opposite quadrants of said center ring and forming a compressible tubular member over which said grooved conduit may be received, lugs on said tubular member circumferentially and axially spaced to define a helix about which said conduit may be threadably received, detent means on said tubular member for preventing said projections forming said tubular member from collapsing and losing said tubular form during compression, said detent means including at least one tab projecting slightly outwardly from the side of one of said tubular member projections and positioned along said helix, said detent means further including a corresponding notch on the other of said tubular member projections into which said tab can lie, said second pair of projections extending from the remaining two opposite quadrants of said center ring and forming junction box locking wing means for resiliently engaging said wall of said junction box when said center ring is inserted through said hole, stop lugs on said second pair of projections to block passage of said connector through said junction box hole, notches on said second pair of projections to grip said walls of said junction box to secure said connector in said junction box hole after said connector has been inserted therethrough.

Claim 3

The connector of claim 1 wherein said center ring includes a forwardly-outturned flange for creating a smooth inner surface.

Claim 4

The connector of claim 1 wherein said tubular member includes a first tubular portion adjacent said center ring and having a diameter approximately equal to said hole in said junction box wall, and a second tubular portion spaced from said center ring and having a minimum diameter when compressed approximately equal to the inner diameter of said grooved conduit, said helix-forming lugs and said detent means positioned on said second tubular portion, said first tubular portion having a pair of diametrically opposed flat surfaces, each of said second pair of projections overlying a respective flat surface and wherein engagement of said second pair of projections with said flat surfaces prevents said stop lugs from compressing to a dimension smaller than the diameter of said junction box hole.

Claim 5

In combination, an electrical junction box having at least one wall and at least one hole in said wall, a connector resiliently secured to said junction box wall and extending through said junction box hole, a helically grooved metallic conduit threadably engaged over a portion of said connector, said connector comprising a one-piece sheet metal member, said member having a center ring with a forwardly-outturned flange for creating a smooth inner surface, said member further having a first pair of projections extending rearwardly from two opposite quadrants of said center ring to form junction box locking wing means for resiliently engaging said junction box wall, stop lugs on said first pair of projections to block passage of said connector through said junction box hole, notches on said first pair of projections to grip said walls of said junction box to secure said connector in said junction box hole after said connector has been inserted therethrough, said member further having a second pair of projections extending rearwardly from the remaining two opposite quadrants of said center ring to form a compressible tubular member, said tubular member including a first tubular portion adjacent said center ring and having a diameter approximately equal to said junction box hole, said tubular member further having a second tubular portion spaced from said center ring and having a minimum diameter when compressed approximately equal to the inner diameter of said grooved conduit, lugs on said second tubular portion circumferentially and axially spaced to define a helix about which said conduit is threadably received, detent means on said second tubular portion for preventing said projections forming said tubular member from collapsing and losing said tubular form during compression, said detent means including at least one tab projecting slightly outwardly from the side of one of said tubular member projections and positioned along said helix, said detent means further including a corresponding notch on the other of said tubular member projections into which said tab can lie, said first tubular portion having a pair of diametrically opposed flat surfaces, each of said second pair of projections overlying a respective flat surface and wherein the engagement of said second pair of projections with said flat surfaces prevents said stop lugs from compressing to a dimension smaller than the diameter of said junction box hole.

Claim 6

In combination, an electrical junction box having at least one wall and at least one hole in said wall, a connector resiliently secured to said junction box wall and extending through said junction box hole, a helically grooved metallic conduit threadably engaged over a portion of said connector, said connector comprising a one-piece sheet metal member, said member having a center ring with a forwardly-outturned flange for creating a smooth inner surface, said member further having a first pair of projections extending rearwardly from two opposite quadrants of said center ring to form junction box locking wing means for resiliently engaging said junction box wall, stop lugs on said first pair of projections to block passage of said connector through said junction box hole, notches on said first pair of projections to grip said walls of said junction box to secure said connector in said junction box hole after said connector has been inserted therethrough, said member further having a second pair of projections extending rearwardly from the remaining two opposite quadrants of said center ring to form a compressible tubular member, said tubular member including a first tubular portion adjacent said center ring and having a diameter approximately equal to said junction box hole, said tubular member further having a second tubular portion spaced from said center ring and having a minimum diameter when compressed approximately equal to the inner diameter of said grooved conduit, lugs on said second tubular portion circumferentially and axially spaced to define a helix about which said conduit is threadably received, detent means on said second tubular portion for preventing said projections forming said tubular member from collapsing and losing said tubular form during compression, said detent means including at least one tab projecting slightly outwardly from the side of one of said tubular member projections and positioned along said helix, said detent means further including a corresponding notch on the other of said tubular member projections into which said tab can lie, said first tubular portion having a pair of diametrically opposed flat surfaces, each of said second pair of projections overlying a respective flat surface and wherein the engagement of said second pair of projections with said flat surfaces prevents said stop lugs from compressing to a dimension smaller than the diameter of said junction box hole.

Claim 7

A connector for mounting a conductor surrounded by a helically grooved metallic conduit to a junction box having a wall and a hole in said wall through which conductors pass, comprising: a one-piece sheet metal member; said member having a center ring and having at least one pair of projections extending rearwardly from said center ring to form a compressible tubular member over which said grooved conduit may be received, said tubular member including detent means for preventing said projections forming said tubular member from collapsing and losing said tubular form during compression; and said member also having junction box locking means for resiliently engaging said wall of said junction box when said center ring is inserted through said hole.

Claim 8

A connector for mounting a conductor surrounded by a helically grooved metallic conduit to a junction box having a wall and a hole in said wall through which conductors pass, comprising: a one-piece sheet metal member; said member having a center ring and having at least one pair of projections extending rearwardly from said center ring to form a compressible tubular member over which said grooved conduit may be received, said tubular member including detent means for preventing said projections forming said tubular member from collapsing and losing said tubular form during compression; and said member also having junction box locking means for resiliently engaging said wall of said junction box when said center ring is inserted through said hole.

Claim 9

The connector of claim 5, said tubular member having (i) a first tubular portion adjacent said center ring and having a first predetermined diameter approximately equal to said hole in said junction box wall, and (ii) a second tubular portion including said detent means and spaced from said center ring and having a minimum second diameter when compressed less than an inner diameter of said grooved conduit.

Claim 10

The connector of claim 6, said detent means including at least one tab projecting slightly outwardly from the side of one of said projections and a corresponding notch on the other of said projections into which said tab can lie.

Claim 11

The connector of claim 5, said detent means including at least one tab projecting slightly outwardly from the side of one of said projections and a corresponding notch on the other of said projections into which said tab can lie.

Claim 12

A connector for mounting a conductor surrounded by a helically grooved metallic conduit to a junction box having a wall and a hole in said wall through which conductors pass, comprising a one-piece sheet metal member; said member having a center ring and having at least one pair of projections extending rearwardly from said center ring to form a compressible tubular member over which said grooved conduit may be received, said tubular member including a pair of lugs circumferentially and axially spaced to define a helix about which said conduit may be threadably received; said member also having junction box locking means for resiliently engaging said wall of said junction box when said center ring is inserted through said hole.

Claim 13

A connector for mounting a conductor surrounded by a helically grooved metallic conduit to a junction box having a wall and a hole in said wall through which conductors pass, comprising a one-piece sheet metal member; said member having a center ring and having at least one pair of projections extending rearwardly from said center ring to form a compressible tubular member over which said grooved conduit may be received, said tubular member including a pair of lugs circumferentially and axially spaced to define a helix about which said conduit may be threadably received; said member also having junction box locking means for resiliently engaging said wall of said junction box when said center ring is inserted through said hole.

Claim 14

The connector of claim 9, said tubular member including detent means for preventing said projections forming said tubular member from collapsing and losing said tubular form during compression.

Claim 15

The connector of claim 10, said detent means including at least one tab projecting slightly outwardly from the side of one of said projections and a corresponding notch on the other of said projections into which said tab can lie.

Claim 16

The connector of claim 9, said tubular member (i) having a first tubular portion adjacent said center ring and having a first predetermined diameter approximately equal to said hole in said junction box wall, and (ii) a second tubular portion including said lugs and spaced from said center ring and having a minimum second diameter when compressed less than an inner diameter of said grooved conduit.

Claim 17

The connector of claim 12, said second tubular portion including detent means for preventing said projections forming said tubular member from collapsing and losing said tubular form during compression.

Claim 18

The connector of claim 13, said detent means including at least one tab projecting slightly outwardly from the side of one of said projections and a corresponding notch on the other of said projections into which said tab can lie.

Claim 19

a connector for mounting a conductor surrounded by a helically grooved metallic conduit to a junction box having a wall and a hole in said wall through which conductors pass, comprising a one-piece sheet metal member; said member having a center ring and having at least one pair of projections extending rearwardly from said center ring to form a compressible tubular member over which said grooved conduit may be received; said member also having junction box locking means for resiliently engaging said wall of such junction box when said center ring is inserted through said hole, said locking means including notch means for securing the connector in said junction box hole after the connector has been seated within said hole in said wall.

Claim 20

a connector for mounting a conductor surrounded by a helically grooved metallic conduit to a junction box having a wall and a hole in said wall through which conductors pass, comprising a one-piece sheet metal member; said member having a center ring and having at least one pair of projections extending rearwardly from said center ring to form a compressible tubular member over which said grooved conduit may be received; said member also having junction box locking means for resiliently engaging said wall of such junction box when said center ring is inserted through said hole, said locking means including notch means for securing the connector in said junction box hole after the connector has been seated within said hole in said wall.

Claim 21

The connector of claim 15, said tubular member including detent means for preventing said projections forming said tubular member from collapsing and losing said tubular form during compression.

Claim 22

The connector of claim 16, said detent means including at least one tab projecting slightly outwardly from the side of one of said projections and a corresponding notch on the other of said projections into which said tab can lie.

Claim 23

The connector of claim 16, said tubular member including a pair of lugs circumferentially and axially spaced to define a helix about which said conduit is threadably received.

Claim 24

The connector of claim 15, said tubular member including a pair of lugs circumferentially and axially spaced to define a helix about which said conduit is threadably received.

Claim 25

A connector for mounting a conductor surrounded by a helically grooved metallic conduit to a junction box having a wall and a hole in said wall through which conductors pass, comprising: a one-piece sheet metal member, said member having a center ring and having first and second pairs of projections extending rearwardly from said center ring, said first pair of projections forming a compressible tubular member over which said grooved conduit may be received, said tubular member including detent means for preventing said projections forming said tubular member from collapsing and losing said tubular form during compression, said second pair of projections forming junction box locking wing means for resiliently engaging said wall of said junction box when said center ring is inserted through said hole.

Claim 26

A connector for mounting a conductor surrounded by a helically grooved metallic conduit to a junction box having a wall and a hole in said wall through which conductors pass, comprising: a one-piece sheet metal member, said member having a center ring and having first and second pairs of projections extending rearwardly from said center ring, said first pair of projections forming a compressible tubular member over which said grooved conduit may be received, said tubular member including detent means for preventing said projections forming said tubular member from collapsing and losing said tubular form during compression, said second pair of projections forming junction box locking wing means for resiliently engaging said wall of said junction box when said center ring is inserted through said hole.

Claim 27

The connector of claim 20, said detent means including at least one tab projecting slightly outwardly from the side of one of said projections and a corresponding notch on the other of said projections into which said tab can lie.

Claim 28

The connector of claim 20 wherein said first pair of projections extend from two opposite quadrants of said center ring.

Claim 29

The connector of claim 22 wherein said second pair of projections extend from the remaining two opposite quadrants of said center ring.

Claim 30

The connector of claim 20, said junction box locking wing means including stop means for preventing said connector from being pushed completely through said hole in said wall.

Claim 31

The connector of claim 24 wherein said junction box locking wing means include notches along the respective sides of each of said second pair of projections for securing the connector in said junction box hole after the connector has been seated within said hole in said wall.

Claim 32

The connector of claim 20, said tubular member having (i) a first tubular portion adjacent said center ring and having a first predetermined diameter approximately equal to said hole in said junction box wall, and (ii) a second tubular portion including said detent means and spaced from said center ring and having a minimum second diameter when compressed less than an inner diameter of said grooved conduit.

Claim 33

The connector of claim 24, said detent means including at least one tab projecting slightly outwardly from the side of one of said projections and a corresponding notch on the other of said projections in to which said tab can lie.

Claim 34

The connector of claim 24 wherein said first pair of projections extend from two opposite quadrants of said center ring, and said second pair of projections extend from the remaining two opposite quadrants of said center ring.

Claim 35

The connector of claim 24, said first tubular portion having a pair of diametrically opposed flat surfaces, each of said second pair of projections overlying a respective said flat surface.

Claim 36

The connector of claim 29 further comprising lugs on said second pair of projections to block passage of said connector through a junction box hole, engagement of said second pair of projections with said flat surfaces preventing said lugs from compressing to a dimension smaller than the diameter of said junction box hole.

Claim 37

The connector of claim 30 further comprising notches on said second pair of projections to grip said wall of said junction box to secure said connector in said junction box hole after said connector has been inserted therethrough.

Claim 38

The connector of claim 20 wherein said center ring includes a forwardly-outturned flange for creating a smooth inner surface.

Claim 39

A connector for mounting a conductor surrounded by helically grooved metallic conduit to a junction box having a wall and a hole in said wall through which conductors pass, comprising, a one-piece sheet metal member, said member having a center ring and having first and second pairs of projections extending rearwardly from said center ring, said first pair of projections forming a compressible tubular member over which said grooved conduit may be received, said tubular member including a pair of lugs circumferentially and axially spaced to define a helix about which said conduit may be threadably received, said second pair of projections forming junction box locking wing means for resiliently engaging said wall of said junction box when said center ring is inserted through said hole.

Claim 40

A connector for mounting a conductor surrounded by helically grooved metallic conduit to a junction box having a wall and a hole in said wall through which conductors pass, comprising, a one-piece sheet metal member, said member having a center ring and having first and second pairs of projections extending rearwardly from said center ring, said first pair of projections forming a compressible tubular member over which said grooved conduit may be received, said tubular member including a pair of lugs circumferentially and axially spaced to define a helix about which said conduit may be threadably received, said second pair of projections forming junction box locking wing means for resiliently engaging said wall of said junction box when said center ring is inserted through said hole.

Claim 41

The connector of claim 33 wherein said first pair of projections extend from two opposite quadrants of said center ring.

Claim 42

The connector claim 34 wherein said second pair of projections extend from the remaining two opposite quadrants of said center ring.

Claim 43

The connector of claim 33, said tubular member including detent means for preventing said projections forming said tubular member from collapsing and losing said tubular form during compression.

Claim 44

The connector of claim 36, said detent means including at least one tab projecting slightly outwardly from the side of one of said projections and a corresponding notch on the other of said projections into which said tab can lie.

Claim 45

The connector of claim 33, said junction box locking wing means including stop means for preventing said connector from being pushed completely through said hole in said wall.

Claim 46

The connector of claim 38 wherein said junction box locking wing means include notches along the respective sides of each of said second pair of projections for securing the connector in said junction box hole after the connector has been seated within said hole in said wall.

Claim 47

The connector of claim 39, said tubular member including detent means for preventing said projections forming said tubular member from collapsing and losing said tubular form during compression.

Claim 48

The connector of claim 40, said detent means including at least one tab projecting slightly outwardly from the side of one of said projections and a corresponding notch on the other of said projections into which said tab can lie.

Claim 49

The connector of claim 33, said tubular member having (i) a first tubular portion adjacent said center ring and having a first predetermined diameter approximately equal to said hole in said junction box wall, and (ii) a second tubular portion including said lugs and spaced from said center ring and having a minimum second diameter when compressed less than an inner diameter of said grooved conduit.

Claim 50

The connector claim 42, said second tubular portion including detent means for preventing said projections forming said tubular member from collapsing and losing said tubular form during compression.

Claim 51

The connector of claim 43, said detent means including at least one tab projecting slightly outwardly from the side of one of said projections and a corresponding notch on the other of said projections into which said tab can lie.

Claim 52

The connector of claim 33, said first tubular portion having a pair of diametrically opposed flat surfaces, each of said second pair of projections overlying a respective said flat surface.

Claim 53

The connector of claim 45 further comprising stop lugs on said second pair of projections to block passage of said connector through a junction box hole, engagement of said second pair of projections with said flat surfaces preventing said stop lugs from compressing to a dimension smaller than the diameter of said junction box hole.

Claim 54

The connector of claim 46 further comprising notches on said second pair of projections to grip said wall of said junction box to secure said connector in said junction box hole after said connector has been inserted therethrough.

Claim 55

The connector of claim 33 wherein said center ring includes a forwardly-outturned flange for creating a smooth inner surface.

Claim 56

A connector for mounting a conductor surrounded by a helically grooved metallic conduit to a junction box having a wall and a hole in said wall through which conductors pass, comprising: a one-piece sheet metal member, said member having a center ring and having first and second pairs of projections extending rearwardly from said center ring, said first pair of projections forming a compressible tubular member over which said grooved conduit may be received, said second pair of projections forming junction box locking wing means for resiliently engaging said wall of said junction box when said center ring is inserted through said hole, said junction box locking wing means including notches along the respective sides of each of said second pair of projections for securing the connector in said junction box hole after the connector has been seated within said hole in said wall.

Claim 57

A connector for mounting a conductor surrounded by a helically grooved metallic conduit to a junction box having a wall and a hole in said wall through which conductors pass, comprising: a one-piece sheet metal member, said member having a center ring and having first and second pairs of projections extending rearwardly from said center ring, said first pair of projections forming a compressible tubular member over which said grooved conduit may be received, said second pair of projections forming junction box locking wing means for resiliently engaging said wall of said junction box when said center ring is inserted through said hole, said junction box locking wing means including notches along the respective sides of each of said second pair of projections for securing the connector in said junction box hole after the connector has been seated within said hole in said wall.

Claim 58

The connector of claim 49, said junction box locking wing means including stop means for preventing said connector from being pushed completely through said hole in said wall.

Claim 59

A connector for mounting a conductor surrounded by a helically grooved metallic conduit to a junction box having a wall and a hole in said wall through which conductors pass, comprising: a one-piece sheet metal member, said member having a center ring and having at least one pair of projections extending rearwardly from two opposite quadrants of said center ring to form a compressible tubular member over which said grooved conduit may be received, lugs on said tubular member circumferentially and axially spaced to define a helix about which said conduit may be threadably received, detent means on said tubular member for preventing said projections forming said tubular member from collapsing and losing said tubular form during compression, said detent means including at least one tab projecting slightly outwardly from the side of one of said tubular member projections and positioned along said helix, said detent means further including a corresponding notch on the other of said tubular member projections into which said tab can lie, junction box locking means for resiliently engaging said wall of said junction box when said center ring is inserted through said hole, said junction box locking means including stop lugs to prevent the connector from being pushed completely through said junction box hole and notch means for securing the connector in said junction box hole after the connector has been inserted partially therethrough.

Claim 60

A connector for mounting a conductor surrounded by a helically grooved metallic conduit to a junction box having a wall and a hole in said wall through which conductors pass, comprising: a one-piece sheet metal member, said member having a center ring and having at least one pair of projections extending rearwardly from two opposite quadrants of said center ring to form a compressible tubular member over which said grooved conduit may be received, lugs on said tubular member circumferentially and axially spaced to define a helix about which said conduit may be threadably received, detent means on said tubular member for preventing said projections forming said tubular member from collapsing and losing said tubular form during compression, said detent means including at least one tab projecting slightly outwardly from the side of one of said tubular member projections and positioned along said helix, said detent means further including a corresponding notch on the other of said tubular member projections into which said tab can lie, junction box locking means for resiliently engaging said wall of said junction box when said center ring is inserted through said hole, said junction box locking means including stop lugs to prevent the connector from being pushed completely through said junction box hole and notch means for securing the connector in said junction box hole after the connector has been inserted partially therethrough.

Claim 61

The connector of claim 51 wherein said center ring includes a forwardly-outturned flange for creating a smooth inner surface.

Claim 62

The connector of claim 52 wherein said tubular member includes (i) a first tubular portion adjacent said center ring and having a first predetermined diameter approximately equal to said hole in said junction box wall, and (ii) a second tubular portion spaced from said center ring and having a minimum second diameter when compressed approximately equal to the inner diameter of said grooved conduit, said helix-forming lugs and said detent means positioned on said second tubular portion.

Claim 63

A connector for mounting a conductor surrounded by a helically grooved metallic conduit to a junction box having a wall and a hole in said wall through which conductors pass, comprising, a one-piece sheet metal member, said member having a center ring and having first and second pairs of projections extending rearwardly from said center ring, said first pair of projections forming a compressible tubular member over which said grooved conduit may be received, said tubular member having (i) a first tubular portion adjacent said center ring and having a first predetermined diameter approximately equal to said hole in said junction box wall, and (ii) a second tubular portion spaced from said center ring and having a minimum second diameter when compressed less than an inner diameter of said grooved conduit, said second pair of projections forming junction box locking wing means for resiliently engaging said wall of said junction box when said center ring is inserted through said hole, said first tubular portion having a pair of diametrically opposed flat surfaces, each of said second pair of projections overlying a respective said flat surface.

Claim 64

A connector for mounting a conductor surrounded by a helically grooved metallic conduit to a junction box having a wall and a hole in said wall through which conductors pass, comprising, a one-piece sheet metal member, said member having a center ring and having first and second pairs of projections extending rearwardly from said center ring, said first pair of projections forming a compressible tubular member over which said grooved conduit may be received, said tubular member having (i) a first tubular portion adjacent said center ring and having a first predetermined diameter approximately equal to said hole in said junction box wall, and (ii) a second tubular portion spaced from said center ring and having a minimum second diameter when compressed less than an inner diameter of said grooved conduit, said second pair of projections forming junction box locking wing means for resiliently engaging said wall of said junction box when said center ring is inserted through said hole, said first tubular portion having a pair of diametrically opposed flat surfaces, each of said second pair of projections overlying a respective said flat surface.

Claim 65

The connector of claim 54 further comprising stop lugs on said second pair of projections to block passage of said connector through a junction box hole, engagement of said second pair of projections with said flat surfaces preventing said stop lugs from compressing to a dimension smaller than the diameter of said junction box hole.

Claim 66

The connector of claim 55 further comprising notches on said second pair of projections to grip said wall of said junction box to secure said connector in said junction box hole after said connector has been inserted therethrough.

Claim 67

In combination, an electrical junction box having at least one wall and at least one hole in said wall, a connector resiliently secured to said junction box wall and extending partially through said junction box hole, a helically grooved metallic conduit threadably engaged over a portion of said connector, said connector comprising a one-piece sheet metal member, said member having a center ring with a forwardly-outturned flange for creating a smoother inner surface, said member having at least one pair of projections extending rearwardly from two opposite quadrants of said center ring to form a compressible tubular member, said tubular member including a first tubular portion adjacent said center ring and having a first predetermined diameter approximately equal to said junction box hole, said tubular member further having a second tubular portion spaced from said center ring and having a minimum second diameter when compressed approximately equal to the inner diameter of said grooved conduit, lugs on said second tubular portion circumferentially and axially spaced to define a helix about which said conduit is threadably received, detent means on said second tubular portion for preventing said projections forming said tubular member from collapsing and losing said tubular form during compression, said detent means including at least one tab projecting slightly outwardly from the side of one of said tubular member projections and positioned along said helix, said detent means further including a corresponding notch on the other of said tubular member projections into which said tab can lie, said member further having junction box locking means for resiliently engaging said junction box wall, said junction box locking means including stop lugs to prevent the connector from being pushed completely through said junction box hole and notch means for securing the connector in said junction box hole after the connector has been inserted partially therethrough.

Claim 68

In combination, an electrical junction box having at least one wall and at least one hole in said wall, a connector resiliently secured to said junction box wall and extending partially through said junction box hole, a helically grooved metallic conduit threadably engaged over a portion of said connector, said connector comprising a one-piece sheet metal member, said member having a center ring with a forwardly-outturned flange for creating a smoother inner surface, said member having at least one pair of projections extending rearwardly from two opposite quadrants of said center ring to form a compressible tubular member, said tubular member including a first tubular portion adjacent said center ring and having a first predetermined diameter approximately equal to said junction box hole, said tubular member further having a second tubular portion spaced from said center ring and having a minimum second diameter when compressed approximately equal to the inner diameter of said grooved conduit, lugs on said second tubular portion circumferentially and axially spaced to define a helix about which said conduit is threadably received, detent means on said second tubular portion for preventing said projections forming said tubular member from collapsing and losing said tubular form during compression, said detent means including at least one tab projecting slightly outwardly from the side of one of said tubular member projections and positioned along said helix, said detent means further including a corresponding notch on the other of said tubular member projections into which said tab can lie, said member further having junction box locking means for resiliently engaging said junction box wall, said junction box locking means including stop lugs to prevent the connector from being pushed completely through said junction box hole and notch means for securing the connector in said junction box hole after the connector has been inserted partially therethrough.