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Title: Should be classified DEFECTIVE
Review: Arrived and returned the next day. This unit is 100% unreliable, only picking up voltage "once in a while" until in direct contact with a live COPPER wire. Inside the breaker box, it would sound 1 of 10 times while on the main 220v feed into the house! Live NM wire...good luck!DO NOT BUY THIS ITEM!
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