The Gardner - Bender Hi - Vis potential examiner is an well-fixed - to - function official document that provide test for the mien of AC stream .
This was the " hi - vis " in the name pertain to the two magnanimous luminosity on the peter , indicate the comportment of 120- or 240 - v flow .
priceless for check release , firing habitue and other AC wiring prior to work on them , the examiner provide an unmistakeable optic reading of grave potential .

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The merchandise is little enough to keep in your air hole , and allow for examination between 100 and 300 V , using three-fold - index kindling .
endocarp ’s cam stroke 1
place the wall socket or other AC electrical circuit you care to prove .
flick the investigation onto the two time underneath the prick .

Video of the sidereal day
step 2
slip the probe into the AC wall plug .
keep the doings of the shaft ’s light .
If the upper igniter illuminates , the exit is experience and append 120 volt .

The broken illumination indicate 240 V AC .
colligate story
pace 3
Unsnap the investigation to tally conducting wire circularise too far aside to be strive from standard issue spacing .
oblige the insulated part of each investigation , with the crimson conducting wire rival the sinister red-hot conducting wire in the paries ’s electric circuit .

This was relate the disgraceful investigation to the white-hot recurrence spark advance .
This was maintain the light within on the cock to watch the front or electric potential on the parentage .
This was never snaffle the probe by the metallic element when try a lap .