Continuity Testing
Confirming continuity of the circuit protective conductor (CPC).
The Video
Continuity
The circuit protective conductor (or earth wire) within each circuit must be properly connected at each accessory to ensure that a fault between a live conductor and the metal case or enclosure results in the circuit breaker or other protective device disconnecting the power.
Two methods are explained in this video, one of which also confirms correct polarity at the same time.
