For installing a GFCI device outside, Arlington's Gard-N-Post with built-in cover is your innovative solution. The 19.5'' support accommodates a single gang GFCI device, and the clear extra duty weatherproof in use cover protects it from the elements. The support is made of UV rated black plastic for a long service life, and the color is permanent. The base of the support features four built in stabilizers for rigid support, and the base is also angled for easy access to underground wiring.