Southwire 40022S GFCI Outlet & Receptacle Tester 110-125V AC 3-Wire

The Southwire 40022S GFCI Outlet and Receptacle Tester is a compact, easy-to-use diagnostic tool designed to quickly identify wiring faults in standard 3-wire electrical receptacles. Simply plug it into any 110–125 volt AC outlet and read the indicator lights to determine the wiring condition—no additional tools or electrical knowledge required.

Key Features:

• Tests standard 3-wire, 110–125V AC receptacles for common wiring faults
• Detects open ground, open neutral, open hot, hot/ground reversed, hot/neutral reversed, and correct wiring conditions
• Red and amber LED indicator light display provides instant, easy-to-read results
• Tests GFCI outlet function—verifies that GFCI protection trips properly
• Compact plug-in design requires no batteries or external power source
• Ideal for homeowners, electricians, and inspectors

The Southwire 40022S is an essential addition to any electrical toolkit, providing fast and reliable wiring diagnostics without the need for a multimeter or specialized training. Its straightforward light-pattern readout makes it simple to identify and address potentially dangerous wiring conditions before they become a hazard.