• Correct wiring
• Open ground
• Reverse polarity
• Open hot
• Open neutral
• Hot/Ground reversed

Designed to detect the most common wiring problems in standard receptacles. Simply plug in and watch red and amber indicators. The outlet circuit tester detects faulty wiring in a three wire receptacle The outlet circuit tester will not indicate the quality of ground, multiple hot wires, combinations of defects, reversal of grounded and grounding conductors. The OCT300 is UL listed