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Receptacle Tester with GFCI Check


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The RT50 is a reliable GFCI receptacle tester designed for electricians, home or building inspectors, and do-it-yourselfers who need to verify or troubleshoot operation of 3-wire receptacle circuits within residential and commercial buildings. It is durable, easy, and safe to use, and offers the quality you have come to expect from FLIR test and measurement products.

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  • High quality, durable, and safe

    Made with an impact-resistant case to handle the roughest jobs, and meets C-UL-US safety standards

  • Reliable performance

    Provides all the features you require to verify correct wiring and test for common wiring problems

  • Easy to use

    Designed for long-term, trouble-free operation, with bright indicator lights, test code light legend on both sides, and an ergonomic design

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Drop test
1.52 m (5 ft)
Limited 3-year
Measurement & Analysis
Circuit/Outlet Type
3-wire with GFCI
50 / 60 Hz
GFCI trip test with status LED
Nominal Voltage
110 - 125 V AC
Wiring Anomaly Detection
Open ground, open neutral, open hot, hot & ground reversed, hot & neutral reversed, correct wiring
Environmental & Certifications
Agency Approvals
Drop test
1.52 m (5 ft)
Operating Temp & Humidity
0 to 50°C (32 to 122°F)
Storage temperature and relative humidity [RH]
-10 to 60°C (14 to 140°F)
Limited 3-year
Dimensions (L x W x H)
96 x 46 x 30.5 mm (3.8 x 1.8 x 1.2 in)
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