RT310 is an electrical tester that tests the wiring condition at an electrical outlet, and inspects and checks AFCI and GFCI devices. It is designed for use with North American 120 VAC electrical outlets. It can detect and identify common wiring faults. Includes 3 x 1.5 VDC AAA alkaline batteries.

Klein® AFCI/GFCI Outlet Tester, 120 VAC, Visual, Safety Rating: CAT III 135V, 7.4 in L x 2.3 in W x 1.3 in H

• Electrical plug is on a 10 in (254 mm) flexible electrical cord to access electrical outlets in difficult to reach locations
• Powers off automatically after approximately 2 min of non-use to conserve battery life
• Built to withstand a 6.6 ft (2 m) drop
• Measurement category III is applicable to test and measuring circuits connected to the distribution part of the building's low-voltage MAINS installation
• The RT310 features a patent pending AFCI test method that is unique to Klein Tools
• Test GFCI devices by simulating ground fault conditions
• Capable of detecting a dual-open wiring fault with simultaneous open neutral and open ground wires (patent pending technology)
• Designed to test North American-style grounded electrical outlets in 120V AC circuits (incorporates a three-pin plug)

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