An electrical socket for powering an electrical/electronic accessory device having an electrical plug that is received in the socket, comprising: an electrically conductive socket well for slidably receiving the electrical plug of the electrical/electronic device; an electrical connector portion disposed distally on the socket well and comprising an insulator fastened to the socket well at a distal end thereof and having at least two electrical terminals (412, 414) for connecting to a vehicle electrical power source; a plurality of first electrical contacts (422A, 422B, 422C, 422D) disposed at a distal end of said socket well and extending radially and proximally from the center of said well and being electrically connected to a first of said electrical terminals (412, 414) of said electrical connector portion, said plurality of first electrical contacts (422A, 422B, 422C, 422D) having radially outward electrical contact surfaces; a second of said electrical terminals (412, 414) of said electrical connector portion being electrically connected to said socket well; characterized by said plurality of first electrical contacts (422A, 422B, 422C, 422D) being adapted to electrically slidably engage with an inner periphery of a hollow cylindrical electrical contact of said electrical plug; said electrical socket further comprising a first insulator (418, 418A, 418B, 418C, 418D) disposed radially inwardly of said first electrical contacts (422A, 422B, 422C, 422D), thereby preventing access to said first electrical contacts (422A, 422B, 422C, 422D) from points radially inward of said first electrical contacts (422A, 422B, 422C, 422D) and whereby the inner periphery of the hollow cylindrical electrical contact of said electrical plug can make electrical contact with said radially outward electrical contact surfaces of said plurality of first electrical contacts (422A, 422B, 422C, 422D). an electrically conductive socket well for slidably receiving the electrical plug of the electrical/electronic device; an electrical connector portion disposed distally on the socket well and comprising an insulator fastened to the socket well at a distal end thereof and having at least two electrical terminals (412, 414) for connecting to a vehicle electrical power source; a plurality of first electrical contacts (422A, 422B, 422C, 422D) disposed at a distal end of said socket well and extending radially and proximally from the center of said well and being electrically connected to a first of said electrical terminals (412, 414) of said electrical connector portion, said plurality of first electrical contacts (422A, 422B, 422C, 422D) having radially outward electrical contact surfaces; a second of said electrical terminals (412, 414) of said electrical connector portion being electrically connected to said socket well; characterized by said plurality of first electrical contacts (422A, 422B, 422C, 422D) being adapted to electrically slidably engage with an inner periphery of a hollow cylindrical electrical contact of said electrical plug; said electrical socket further comprising a first insulator (418, 418A, 418B, 418C, 418D) disposed radially inwardly of said first electrical contacts (422A, 422B, 422C, 422D), thereby preventing access to said first electrical contacts (422A, 422B, 422C, 422D) from points radially inward of said first electrical contacts (422A, 422B, 422C, 422D) and whereby the inner periphery of the hollow cylindrical electrical contact of said electrical plug can make electrical contact with said radially outward electrical contact surfaces of said plurality of first electrical contacts (422A, 422B, 422C, 422D).