Sigma Electric, Gray 14373 1/2-Inch 3 Hole 1-Gang Lamp Holder Cover Sigma's weatherproof one-gang lampholder covers with three 1/2-in holes provide mounting locations for up to three lampholders. Their rugged, die-cast construction prevents moisture penetration and is powder coated for corrosion resistance. Covers compliment Sigma's one-gang boxes and lampholders and are suitable for installation in wet, damp or dry locations. Covers include hardware and gasket. Features Used to mount up to three lampholders with 1/2-in knockouts Compliments 1-gang weatherproof boxes installed in wet, damp or dry locations Die-cast construction and powder coated for corrosion resistance Product is cULus listed and suitable for wet locations Product is NEMA 3R rated USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.