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The Ma-Line MA-8205 is a compact plug-in GFI receptacle tester that quickly diagnoses common wiring faults at standard outlets. It plugs directly into receptacles to check open ground, reverse polarity, and ground fault interruption (GFI) functionality without additional tools. The unit is intended for use by HVAC technicians, electricians, and contractors for on-site receptacle verification and basic voltage/receptacle testing.
Compact plug-in tester for diagnosing open ground, reverse polarity, and GFI faults
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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