Meet or exceeds 2006UL No.E256800 2pole 3 wire grounding with LED indicator light (20A) Specifications Commercial Specification Grade Ground Fault Circuit ◆ Supply voltage:125VAC ◆ Rated current:20A ◆ Supply Voltage Range:102-132VAC ◆ Trip time:0.025sec ◆ Rated leakage-action current:6ma ◆ Leakage-action time:less than 0.025-0.6s ◆ Wide working ambient temperature:-35℃-66℃ Features: ◆ Protects from miswired line-load connection. ◆ Increased surge immunity ◆ More resistance to electrical noise and to moisture corrosion