What pull test strength must copper Class II connectors withstand?

Copper Class II connectors are designed to withstand a specific pull test strength, which is critical in ensuring their reliability and effectiveness in lightning protection systems. The requirement for these connectors to endure a pull test strength of 200 lbs ensures that they have sufficient mechanical strength to maintain electrical continuity and physical integrity under stress.

This standard is based on the expected conditions that might place strain on the connectors during installation or in the event of a lightning strike. The rigorous testing helps confirm that the connections will remain intact, minimizing the risk of failure that could lead to equipment damage or safety hazards.

The specified 200 lbs ensures that the connector can handle the mechanical forces typically encountered in these applications, providing a reliable solution for grounding and bonding systems. This robustness is necessary for the performance of the entire lightning protection system. Thus, the requirement set for copper Class II connectors explicitly aligns with safe practices in the electrical installation field, making them a strong choice for critical applications.