What size conductor is required to bond gas piping?

In the bonding of gas piping, it is essential to establish a safe electrical connection to prevent any potential differences in voltage that could create sparks or explosions. The bonding conductor size is determined by the National Electrical Code (NEC) requirements, which specify the appropriate gauge based on the electrical service and grounding needs.

The required size for bonding gas piping typically depends on the size of the gas piping system and the installation specifics. A 6 AWG conductor is commonly used for this purpose as it meets the minimum requirement for effective grounding and bonding in most residential and commercial installations. This gauge provides sufficient conductivity and strength to ensure that any fault current can be effectively redirected, thus ensuring safety.

Larger gauges like 4 AWG, while they may also be suitable, are not typically required unless specified by local codes or if the installation involves larger gas piping systems or additional safety considerations. The choice of 6 AWG strikes the right balance between safety and practicality for standard applications.