Leviton 20A-125V Extra-Heavy Duty Hospital Grade Tamper/Weather-Resistant Duplex Self-Test GFCI Receptacle, GFWT2-HGR, Red

Designed to improve immunity for reduced High Frequency (HF) nuisance tripping. providing increased compatibility with appliances and other electronics | For an added layer of protection, the GFCI regularly conducts an automatic internal test to confirm that it can respond to a ground fault | Provides continuous ground fault protection - detects and trips on actual ground fault even when self-test is being conducted | Status indicator light provides simple, intuitive feedback on power and protection status as well as indication of line/load reversal | Patented lockout action prevents reset if GFCI is damaged and cannot respond to a ground fault | Slim, shallow design - reduced depth makes it easier to install in any electrical box, even shallow ones