Electrical Tape - Sparks Brand. A Flame Retardant PVC Insulation Tape. Self-extinguishing plasticised PVC film, particularly suitable for all general purpose electrical work, such as insulation and component construction. Wide range of colours and sizes, making it a must for colour coding and identification purposes. Competitive price enables its use in low cost operations such as bundling, aerial rigging, loom harnessing etc. Electrical Tape - Sparks Brand works at Temperatures up to 40°C. To use apply the tape using the maximum amount of pressure possible, then smoothing down to achieve 100% contact. We recommend for all electrical uses, a 50% overlap on tape winding.