Commercial Electric's Dual-Check Tester

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Commercial Electric's 2-in-1 dual-check tester has a 50–1,000V AC noncontact voltage detector on one end and a GFCI outlet circuit analyzer on the other.
Commercial Electric's 2-in-1 dual-check tester has a 50–1,000V AC noncontact voltage detector on one end and a GFCI outlet circuit analyzer on the other.