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The diagram below shows a final sub circuit test after installation. The read...

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The diagram below shows a final sub circuit

test after installation. The readings from the meter at Point 4 and Point 7 indicate that

the protective earthing conductor is open circuit between the earth bar and point 4

the protective earthing conductors are all shorted together

the protective earth conductor is open circuit between points 4 and 7

the protective earthing conductor has a low resistance between points 4 and 7

Earth Continuity Test

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