Electrical Tapes 400 Series   –  Premium grade, all weather   –  Premium grade; 7 mil plastic vinyl, all weather, vinyl electrical tape; flame retardant (available in nine colors). For quick identification and color coding of electrical circuits, containers, conduit systems; primary insulation of not more than 600 volts. Meets Specs: UL 510, CSA 22.2; ASTM-D-3005; HH-I-595C.   –  Carolina Tape   –