Description
Ensuring the outlets in your home or facility are working properly is easy with this Greenlee GT-10 Polarity Cube. Simply insert the cube into a standard 120 VAC grounded outlet and the lights on the unit will light up to show if the outlet has correct or incorrect wiring.
Features
Makes it easy to test and troubleshoot 120 VAC grounded outlets
Illuminates to notify you of correct or incorrect wiring
Designed to meet ETL standards
