The Klein Tools RT210 tests both standard and GFCI receptacles to detect the most common wiring problems in 3-wire outlets. A convenient indicator chart on the tester body makes it easy to read results based on LED light patterns.

• Tests standard and GFCI receptacles
• Detects open ground, reverse polarity, open hot, open neutral, and hot/ground reversal
• Confirms GFCI protective device operation with trip test
• Large LED light indicators for easy visibility
• Nominal voltage: 110/125V AC at 50/60Hz, 3-wire
• CAT II 300V rated
• Operating temperature: 32 to 140 deg F
• 6.6 ft drop protection
• Dimensions: 1-7/8" W x 2-7/8" H
• Conforms to UL STD 1436, certified to CSA STD C22.2 #160

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