GFI Circuit Tester – Electrical Distributor Testing Tool

The Greenlee GFI Circuit Tester is a specialized device designed to verify the correct wiring of standard three-wire 120V AC receptacles and assess the integrity of GFI/GFCI outlets. It is commonly used by electrical distributors, lighting solutions providers, wire and cable professionals, and switchgear suppliers to ensure safe and compliant electrical installations. This tester identifies common wiring faults such as open ground, open neutral, open hot, and reversed hot/ground or hot/neutral connections, providing clear LED indicators for quick diagnostics.

Specifications

• Voltage Range: 120V AC standard receptacles (NEMA 5-15R)
• Frequency: 50–500 Hz
• Measurement Category: CAT IV, 1000V
• Dimensions: 6.7" Length x 1.9" Width x 1.2" Height (inches)
• Product Weight: 0.18 lbs
• Country of Origin: China
• Manufacturer: Greenlee
• Manufacturer Part Number: 50121251
• UPC: 783310121251

Features

• Simple plug-in design for testing standard 120V AC outlets
• LED indicators display wiring status: open ground, open neutral, open hot, hot/ground reversed, hot/neutral reversed, and correct wiring
• GFI test button to verify ground fault interrupter trip functionality
• Quick diagnostics to identify common wiring faults for enhanced jobsite safety
• Compact, lightweight design for easy portability and use in the field
• Lifetime limited warranty ensuring durability and reliability
• Not a comprehensive diagnostic instrument but effective for common wiring issues

Downloads and Links

• GT-10GFI Circuit Tester Instructions (PDF)
• GT-10GFI Lifetime Limited Warranty (PDF)