Premium Dual-Range NCVT and GFCI Receptacle Tester Electrical Test Kit


  • GFCI Receptacle Tester features a large backlit LCD readout of voltage, and clear indication of wiring conditions
  • LCD readout shows the time required to trip a GFCI device
  • Patent pending detection of Open Neutral / Open Ground wiring fault
  • For use on 3-wire, North American 120V electrical outlets only
  • Non contact voltage tester's dual-range detects from 12 to 1000V AC or 70 to 1000V AC for a broad variety of low-voltage or standard voltage applications
  • Detects voltage with simultaneous visual and audible voltage indicators
  • Bright flashlight illuminates work area and may be used independent of voltage detection function
  • Lightweight, compact tool with pocket clip provides convenient storage and quick access

Klein Tools Premium Electrical Test Kit (Cat. No. RT250KIT) includes an electrical receptacle tester with LCD and a non-contact voltage tester with flashlight. The electrical receptacle tester (Cat. No. RT250) tests the wiring conditions at an electrical outlet and inspects GFCI devices. The LCD displays the voltage, identifies the wiring fault, and the time required to trip a GFCI device. It is designated for use with North American 3-wire 120V electrical outlets. The non-contact voltage tester with flashlight (Cat. No. NCVT3P) has dual-range detection from 12 to 1000V AC or 70 to 1000V AC for a broad variety of low-voltage or standard voltage applications. The bright flashlight can be used independent of, or with the voltage detection function.

RT250: GFCI Receptacle Tester; NCVT3P: Dual Range with Flashlight
RT250: Detects and Identifies Common Wiring Problems in GFCI Receptacles; NCVT3P: Non-Contact Detection and Testing of AC Voltage
Special Features:
RT250: Large LCD Display; Patent Pending Detection of Open Neutral Open Ground Wiring Fault; NCVT3P: Two Distinctive Modes 70 to 1000V AC and 12 to 1000V AC; Flashlight
RT250: ABS and Electrical Components; NCVT3P: Polycarbonate
Drop Protection:
6.6' (2 m)
RT250: Yes, Including Time to Trip Device
RT250: 135V AC; NCVT3P: 12 to 1000V AC
4 x AAA
RT250 Electrical Receptacle Tester with LCD; NCVT3P Dual Range Non-Contact Voltage Tester with Flashlight; Manuals; 4 x AA Batteries; Storage Pouch
RT250: CAT II 135V Safety Rating; NCVT3P: CAT IV 1000V
Overall Length:
RT250: 4.5'' (11.4 cm); NCVT3P: 5.70'' (14.5 cm)
Overall Height:
RT250: 1.1'' ( 27.9 cm); NCVT3P: 1.09'' (2.8 cm)
Overall Width:
RT250: 2'' (5.1 cm); NCVT3P: 0.93'' (2.4 cm)
RT250: 4.8 oz (136 g); NCVT3P: 1.9 oz (51 g)
Additional Information
  • Read, understand, and follow all warnings, cautions, safety information, and instructions in the manual before operating or servicing this tester. Failure to follow instructions could result in death or serious injury.
  • Always consult a qualified electrician to resolve wiring problems.
  • Always wear approved safety protection.