Split bolt connection. Protection of a split bolt connection begins with installing the connector and wrapping it with two layers of varnished cambric tape. Next, wrap the splice with four half-lapped layers of rubber or rubber mastic tape. Complete the job by over-wrapping with at least two half-lapped layers of premium vinyl electrical tape.

So if you need to apply electrical tape to something that may get hot, rest assured knowing that it can withstand temperatures up to 200°F. Just be sure to check the label before making your purchase, as some tapes are rated for even higher temperatures.

Butyl rubber tape is a high-performance, waterproof adhesive tape made from butyl rubber, a synthetic rubber compound known for its excellent sealing properties. It possesses unique characteristics that make it an ideal choice for repair work, particularly in areas prone to water exposure. Unlike conventional tapes, butyl rubber tape is designed to remain flexible and durable, even under harsh weather conditions.

For electrical repairs and insulation, silicone tape is a fantastic choice. It can withstand high temperatures and is an excellent insulator, ensuring safety in electrical applications.

Another advantage of PVC electrical insulation is its cost-effectiveness. PVC is a relatively inexpensive material compared to other types of electrical insulation, making it a budget-friendly option for many applications. Despite its affordability, PVC insulation does not compromise on quality or performance, making it a popular choice for both residential and commercial use.

Metal enclosure boxes are the standard choice for circuit breakers. That’s because a conductive metal box is necessary for grounding the control panel. In case of a malfunction of contactors or other electrical equipment in the panel, the fault current can be discharged harmlessly into the ground, avoiding potential damage and injuries.

In a harsh environment, one that is subject to chemical and harsh fluid exposure; overwrap with a hearty vinyl tape to help prevent copper corrosion

Just from looking at the roll, it is very hard to tell what type of rubber is used on the tape. Look at the figure to the right, and this same picture can be used to describe every type of rubber-tape below. The key is to ask the supplier what type of rubber adhesive is used. Like acrylics, rubber adhesives can be divided into two subgroups: Natural and Synthetic

When was silicone tape invented?

Follow up this first step by wrapping four half-lapped layers of rubber insulating tape over the cambric tape, which creates a moisture barrier and provides the primary insulation in the connection. Finally, over-wrap the assembly with a minimum of two half-lapped layers of vinyl electrical tape. This should extend approximately two tape widths beyond the ends of the rubber tape. Stretch this tape as you wrap it so you get good conformance to the underlying structure. This also helps complete the moisture seal.

Taping tips

How to Apply Butyl Tape

One of the key advantages of butyl rubber strip is its exceptional resistance to extreme temperatures, making it an ideal choice for sealing and insulation purposes in environments with high heat or cold. Its ability to maintain flexibility and elasticity in a wide temperature range ensures a secure and tight seal, protecting against leaks and moisture ingress.