Sparks Electrical Insulation Tape. Flame Retardant PVC. Directa’s Sparks Electrical Insulation 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. Works at Temperatures up to 40°C. Apply the tape using the maximum amount of pressure possible. Smoothing down to achieve 100% contact. For all electrical uses we recommend a 50% overlap on tape winding. Additionally to view our full range of electrical tapes, click here.