Safety plug

Claim 1

A safety plug comprising a housing, an internal block received inside said housing, two blades bilaterally fastened to said internal block at the front, two terminals fastened inside said internal block and bilaterally spaced from said blades, a hot wire and a neutral wire respectively connected to said terminals, two fuse tubes inserted in a fuse tube chamber on said internal block and forced by a cap on said housing to respectively and electrically connect said terminals to said blades, wherein said fuse tube chamber has a bottom smoothly curved inwards for permitting said fuse tubes to move away from said terminals and said blades toward each other in electrically and automatically disconnecting said blades from said hot and neutral wires once they are inserted before closing of said cap or after said cap was opened; said cap is made with a L-shaped section comprised of horizontal wall covered on an opening on said housing and a vertical wall inserted in a recessed hole on said internal block, said horizontal wall having a hook hooked on a front fender of said internal block for positioning, said vertical wall having a projecting rod moved to squeeze said fuse tubes outwards in electrically and respectively connecting said blades to said terminals as said cap was fastened into place and said horizontal wall covered over the opening on said housing.