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Yellow plastic 120V outlet tester with three prongs and indicator lights

NHIDKU Outlet Tester 120V Yellow

SKU CH-KSE5-8QAXS

Checks 120 V outlets for seven wiring faults with UL-listed indicators before grounding products are used

  • Team affiliation1 Piece
  • Key featuresUL, Corded Electric, false
  • Product typeOhmmeter
  • Detects seven wiring faults on 120 V outlets
  • Confirms grounding before using grounding products
  • Impact-resistant housing with textured grip
  • Easy-to-read indicator lights show fault type
  • UL certified for reliable safety testing

Outlet Tester for 120V Grounding Checks

This NHIDKU outlet tester verifies wiring on North American 120V three-prong receptacles. It identifies ground fault interruption, open ground, open neutral, open hot, hot/ground reverse, hot/neutral reverse and correct wiring. The UL-listed device is intended for users who need to confirm an outlet is properly grounded before connecting grounding products.

Corded Electric Operation and Durable Housing

The tester draws power directly from the receptacle under test, so no battery is required. Its high-impact resistant plastic housing and textured side grips are built to withstand repeated insertion and removal. Indicator lights provide an immediate visual readout of each fault condition without audible alarms.

Single-Piece Tool with No Additional Accessories

The package contains one outlet tester only; no cords, adapters or software are included. Buyers who need to test continuity of grounding sheets, mats or pillowcases will require a separate continuity tester. The unit does not measure voltage level, current draw or insulation resistance.

How it compares

Measured against everything we stock in Multimeters & Electrical Testers, at today’s prices. Recalculated every night.

Price $18.99
Cheaper than about 83% of the 971 comparable items (median $30.99).

Specifications

Product
Brand nameNHIDKU
Product typeOhmmeter
More details
Team affiliation1 Piece

Questions about this item

How do I install the NHIDKU Outlet Tester in a 120V receptacle and what step do people often miss?

Plug the tester fully into a 3-prong US outlet until seated; the step often missed is verifying all three indicator lights match the correct-wiring pattern before assuming the outlet is safe.

What maintenance or replacement will this outlet tester need over time?

No calibration or consumable parts are required; replace the unit if the housing cracks or the indicator LEDs fail to illuminate during a known-good outlet test.

What limit appears first when using this tester continuously on multiple outlets?

The tester is rated for 120V AC only; sustained use on higher-voltage circuits or non-North-American sockets will exceed its measurement range and can damage the internal circuitry.

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