Bonding of metal gas piping to the electrical system is required because:

Bonding of metal gas piping to the

Multiple choice — select the best answer

AIt improves appliance efficiency
BIt reduces static electricity
CIt keeps gas piping from corroding
DIt prevents dangerous voltage differences that could ignite gas

✓ Correct answer: D. It prevents dangerous voltage differences that could ignite gas Metal gas piping that is not bonded to the electrical system can accumulate a voltage potential. Bonding equalizes potential and prevents arcing near gas piping, which could ignite leaking gas.

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