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Beyond color-coding, yellow electrical tape is often employed for insulation purposes. It is designed to withstand a certain degree of heat, moisture, and electrical current, making it ideal for insulating electrical connections. For example, when splicing wires together, applying yellow electrical tape around the connection point helps protect it from exposure to environmental elements, preventing moisture from seeping in and causing corrosion. Furthermore, this adds a layer of safety by ensuring that exposed wire does not come into contact with other conductive materials, which could otherwise lead to short circuits or electrical fires.

According to Steve Anderson, a National Joint Apprenticeship and Training Committee (NJATC) director, the NJATC believes strongly in the importance of splice and termination taping skills for electricians and linemen. “Taping is the first thing covered in our cable splice training course, and we spend a lot of time in this area,” Anderson says.