4 For commercial and residential use EXTRA DUTY IN-USE WEATHERPROOF COVERS Model Numbering System Reliance Controls EXTRA-DUTY Plastic and Die-Cast Aluminum Weatherproof Covers are built tough to keep 125 and 250 Volt receptacles dry, clean and undamaged for years of steady commercial and residential use. Patented features of our covers allow the greatest number of outlet configurations and let you maintain the most debris and insect free compartments possible. Reliance EXTRA-DUTY Weatherproof Covers are available in strong polycarbonate single and double-gang, expandable low profile and super deep housing enclosures. We also offer a full line of single and double-gang die-cast aluminum horizontal and vertical enclosure types. Our Weatherproof Covers are built to meet or exceed NEC 2017 building standards outlined in Article 406.9 (B)(1) for wet locations and EXTRA-DUTY applications and CEC 2015 Section 26-702. 1 P LP W CW Weatherproof Cover Plastic White Single Gang Low Profile Expandable Sample Model No. MODEL NUMBERING SYSTEM