305B Polarity Detector Tester - (AD26302)

Description:

This device is used to verify that an AC wall outlet (receptacle) is properly wired, the tester itself has a power connector (plug) and several indicator lights.

This 3-wire tester likely detects faulty wiring conditions in standard 110-125 VAC. The tester displays different pattern lights to indicate the problem. A light chart is located on the back of the device to help you identify which reading you're receiving.