3M Scotchcast resin joint kits 90 NA-1, 90 NA-2, 90 NA-3, 90 NA-4, 90 NA-5, and 90 NA-7 available at Leong Hing are designed to be used for multi core non shielded  polymeric low voltage energy cables. The application incorporates electrical insulation and  mechanical protection of joints with compression or mechanical connectors. They can be used for indoor and outdoor, underground and submerged applications.

Vinyl Electrical Tapes Premium Super 33+, Splicing 23, 1710, and Temflex 1500 are available at Leong Hing. Take a strong, flexible PVC backing with electrical insulating properties, and combine it with the ability to withstand moisture, abrasion, corrosion, alkalis and acids. The result: 3M™ Vinyl Electrical tapes.