Leviton is the leading manufacturer of Ground Fault Circuit Interrupters (GFCIs) in the electrical industry. When it comes to outdoor GFCI protection, it"s smart to choose SmartlockPro Weather-Resistant (WR) GFCI Receptacles. Our large selection includes outdoor grade versions that are also tamper-resistant. All are UL Listed weather-resistant to comply with Section 406.8* of the 2008 National Electrical Code. Constructed with UV stabilized engineering thermoplastic for high cold impact resistance, the devices feature stainless steel straps and mounting screws. Rain or shine, Leviton offers products to meet all your outdoor needs. * Important: Don"t forget that a cover must be used with GFCI receptacles that are located in damp or wet locations per NEC Section 406.8.