Tests standard receptacles to ensure proper wiring. Neon indicators give positive indication of circuit status.
Compact unit simply plugs into any standard 3-wire/grounded receptacle (110 - 125 VAC circuits).
Tests for six circuit conditions: open ground, open neutral, open hot, hot/ground reverse, hot/neutral reverse, and correct wiring.
Succession of lights provides indication of circuit status or specifies wiring errors.