When a circuit breaker or electrical disconnect is turned off,a ________________ method should be implemented to ensure the electricity is not accidentally energized.
Correct Answer:
Verified
Q8: A 240-volt water heater has only one
Q9: After reconnecting a gas piping system,a _
Q10: A gas water heater must be filled
Q11: MATCHING
Match the following terms:
-An immersed heating device
Q12: Troubleshooting well pumps must be performed by
Q14: A plumber must be qualified and possibly
Q15: All states dictate the minimum warranty period
Q16: MATCHING
Match the following terms:
-A unit of measure
Q17: Refer to manufacturer information to assist in
Q18: Most circuit breakers serving a residential non-simultaneous
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