DescriptionSparks Electrical Flame Retardant PVC Insulation Tape. Directa’s Sparks Brand Electrical Insulating Tape is a top quality self-extinguishing plasticised PVC film particularly suitable for all general purpose electrical work, such as insulation and component construction. It is available in a wide range of colours which makes it a must for colour coding and identification purposes. The competitive price also enables its use in low cost operations such as bundling, aerial rigging, loom harnessing etc. Also know as electricians tape, insulating tape, pvc tape.