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Gardner Bender GVT-392 solenoid voltage tester with neon bulb and 26-inch leads

Gardner Bender GVT-392 Vibrating Solenoid Voltage Tester 120-240-480 V AC/DC Neon

SKU CH-70KA-METBP

A vibrating solenoid tester confirms AC/DC voltage at 120, 240 and 480 V with neon polarity indication and 26 in. leads

  • Team affiliation1 Piece
  • Key featuresElectrical & Heating^Dimmers & Lighting Controls^electric-pl
  • Overall height12.5 L x 4.25 W x 10.25 H inches
  • Overall width12.5 L x 4.25 W x 10.25 H inches
  • Overall length12.5 L x 4.25 W x 10.25 H inches
  • Product weight6.4 oz
  • Solenoid vibration alerts you to live voltage
  • Neon bulb shows DC polarity at a glance
  • Three voltage ranges cover 120, 240 and 480 V
  • 26 in leads reach deep into panels
  • Light 6.4 oz body reduces fatigue during testing

Vibrating Solenoid Voltage Tester 120-480 V

The Gardner Bender GVT-392 is a vibrating solenoid voltage tester designed for electricians and technicians verifying live circuits. It covers three indication ranges at 120, 240 and 480 volts AC and DC. A neon bulb provides DC polarity indication while the linear analog scale shows the voltage level. The 26 inch leads allow reach inside electrical panels for troubleshooting.

Solenoid Vibration and Neon Polarity Limits

The solenoid mechanism vibrates only when voltage is present within the stated ranges, giving a tactile alert without relying on batteries. The neon bulb indicates DC polarity but does not display a numeric value. The analog scale is linear across the three fixed ranges so resolution is limited to those steps. The tester is corded electric and requires direct contact with conductors for operation.

Upgrade from Simple Neon Testers

This unit replaces basic neon screwdrivers or single-range testers that only glow without vibration or polarity information. The jump is worth it when technicians need both a physical vibration cue and DC polarity identification across multiple voltage levels in one tool. It is not suited for users who require digital readouts, data logging or measurement beyond 480 volts.

How it compares

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Price $34.99
Pricier than about 57% of the 971 comparable items (median $30.99).

Specifications

Product
Brand nameGardner Bender
Product typeVoltmeter
Size & build
Overall height12.5 L x 4.25 W x 10.25 H inches
Overall width12.5 L x 4.25 W x 10.25 H inches
Overall length12.5 L x 4.25 W x 10.25 H inches
Product weight6.4 oz
More details
Team affiliation1 Piece

Questions about this item

Which voltage ranges does the GVT-392 cover?

The tester provides three indication ranges at 120, 240 and 480 volts for both AC and DC circuits.

How does the solenoid vibration help when the tester is in a live panel?

The solenoid vibrates whenever voltage is present, giving a tactile alert even if the neon bulb is hard to see.

What does the 26 in. lead length allow in practice?

The 26-inch leads let you reach test points deep inside electrical panels without standing too close to live conductors.

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