Combination plug

Claim 1

A combination plug comprising: an outer housing which is substantially a hollow shell having an opening at a rear face thereof, two slots at a front face thereof, a first access opening at an upper face thereof, a second access opening at a lower face thereof, a hole on the front face thereof proximate to said first access opening and horizontally positioned between the two slots, and a door for covering said first access opening; an inner housing slidably insertable into the outer housing through said opening, said inner housing comprising a pair of prongs which are passable through the slots of the outer housing, a pair of openings at a rear face for receiving the prongs of an add-on plug, and an access opening at a lower face thereof which matches with said second access opening of the outer housing; a fuse assembly retained within the inner housig, said fuse assembly comprising an H-shaped plastic fuse holder, a pair of fuses held in respective grooves of the plastic fuse holder, and four copper covers, each said cover covering respective terminal of the H-shaped fuse holder; and a snap fitted conductor body fitted within said outer housing, said conductor body comprising a conductor tap casing, two conducting wires, and two conductor taps; said fuse assembly contacting both the conductor taps of the conductor body and the prongs when in an assembled position, said copper covers providing a large contact surface between said fuses and said conducting taps of said conductor body and said prongs.