Extech Instruments 2 CB20-EU-EN-V1.2 5/13 Manual

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6 CB20-EU-EN-V1.2 5/13

ReceptacleWiringTest

1. PlugtheTransmitter/Receptacletesterintotheoutlet.

2. ThethreeLED’swillindicatecircuitcondition.Thediagramlistsalloftheconditionsthatthe

CB20candetect.TheLED’sinthisdiagramrepresenttheviewfromtheGFCIbuttonsideof

thetransmitter.WhenviewingtheothersideofthetransmittertheLED’swillbeamirror

imageofthoseshownhere.

3. Thetesterwillnotindicatethequalityofthe groundconnection,2hotwiresinacircuit,a

combinationofdefects,orreversalofgroundandneutralconductors.



ReceptacleGFCITest

1. Beforeusingthetester,presstheTESTbuttonontheinstalledGFCIreceptacle,theGFCI

shouldtrip.Ifitdoesnottrip,donotusethecircuitandcallaqualifiedelectrician.Ifitdoes

trip,presstheRESETbuttononthereceptacle.

2. PlugtheTransmitter/Receptacletester

intotheoutlet.Verifythatthewiringiscorrectas

describedabove.

3. Pressandholdthetestbuttononthetesterforatleast8seconds,theindicatorlightson

thetesterwillshutoffwhentheGFCItrips.

4. Ifthecircuitdoesnottrip,eitherthewiring

isincorrect,orthewiringiscorrectan dtheGFCI

isdefective.

CORRECT WIRING

GFCI TESTING IN PROGRESS

HOT ON NEUTRAL WITH HOT OPEN

HOT AND GROUND REVERSED

HOT AND NEUTRAL REVERSED

OPEN HOT

OPEN NEUTRAL

OPEN GROUND

OFF