We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in

Klein Tools 80025 GFCI Outlet Tester Kit with NCVT1P Voltage Pen, 2-Piece electrical system tool

SKU CH-8AG2-2AEJW MPN 80025

A 2-piece kit with a GFCI outlet tester and a non-contact voltage pen for detecting wiring faults and live voltage

  • Team affiliation1 Piece
  • Key featuresGFCI Outlet Tester (Cat. No. RT210), Corded Electric, true
  • Overall height15 L x 10 W x 3 H inches
  • Overall width15 L x 10 W x 3 H inches
  • Overall length15 L x 10 W x 3 H inches
  • Product typeVoltmeter
  • Complete outlet testing kit includes GFCI tester and non-contact voltage pen
  • Detects common wiring faults in standard and GFCI receptacles
  • Confirms ground fault protective device operation on GFCI outlets
  • Non-contact voltage detection in cables, breakers and fixtures
  • Bright LED indicators show status with red LED and warning tone for voltage

Complete Outlet Testing Kit

This 2-piece kit combines a GFCI outlet tester and a non-contact voltage test pen for residential electrical inspection. It identifies common wiring faults in standard and GFCI receptacles using LED indicators. The voltage pen detects AC voltage in cables, breakers, and fixtures without direct contact. Both tools are designed for professional daily use.

Build Integration and Workflow

The tester plugs directly into standard wall receptacles to verify ground fault protective device operation. The corded voltage pen operates with a digital on/off button and provides visual and audible alerts when voltage is present. Together they allow an electrician to confirm outlet wiring and trace live circuits before opening enclosures. The compact kit fits in a tool pouch for quick access on site.

Target User and Limitations

This kit suits electricians, inspectors, and DIYers who need to verify outlet wiring and detect live voltage in residential systems. It does not measure voltage levels, current, or resistance, so users requiring quantitative readings should select a multimeter. It is not rated for high-voltage industrial panels or three-phase distribution testing.

How it compares

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

Price $38.99
Pricier than about 62% of the 971 comparable items (median $30.99).

Specifications

Product
Brand nameKLEIN TOOLS, Klein Tools
Product typeVoltmeter
Size & build
Overall height15 L x 10 W x 3 H inches
Overall width15 L x 10 W x 3 H inches
Overall length15 L x 10 W x 3 H inches
More details
Team affiliation1 Piece

Questions about this item

How long can I run the NCVT1P voltage pen continuously before the batteries need replacing?

The NCVT1P voltage pen uses a digitally controlled on/off button to conserve battery life during extended use on cables, breakers, switches and lighting fixtures.

Will the RT210 GFCI tester or NCVT1P pen become hot or noisy during all-day use on a job site?

Both tools operate without fans or moving parts, so they remain silent and do not generate noticeable heat during continuous daily use.

Do I need a working battery in the NCVT1P pen before the RT210 GFCI tester will indicate wiring faults?

No, the RT210 GFCI tester draws power directly from the outlet under test, while the NCVT1P pen requires its own battery for non-contact voltage detection.

More in Multimeters & Electrical Testers

Similar items