Exterior outlets | Electrical Code requirements

For the installation of the exterior outlets in the residential properties, there are few code violations that are very common when it comes to Exterior outlets installations (outdoor) per the electrical code.

Exterior outlet locations

Per NEC (210.52(E)(1) through (E)(3)) at least one receptacle readily accessible from grade and not more than 2.0 m (6 1/2 ft.) above grade level shall be installed in the following locations,

  1. For single family dwelling at least one outdoor receptacle at the front and rear of the house.
  2. Balconies, decks, and porches that are attached to the dwelling unit and are accessible from inside the dwelling unit shall have at least one receptacle outlet accessible from the balcony, deck, or porch.
  3. For each dwelling unit of a multifamily dwelling where the dwelling unit is located at grade level and provided with individual exterior entrance/egress.

Outdoor receptacles type

All 125-volt, single-phase, 15- and 20-ampere receptacles ”Exterior outlets” shall be GFCI protected per (NEC 210.8(A) (3)).

Exterior outlet enclosure

Outdoor outlets of 15 and 20 amperes, 125 and 250 volts installed in a wet location (outdoor) shall have an enclosure that is weatherproof whether or not the attachment plug cap is inserted. An outlet box hood installed for this purpose shall be listed and shall be identified as “extra-duty.” (NEC 406.9 (B) (1)).

exterior outlet GFCI
Exterior outlet with an Extra duty enclosure

Weather-Resistant Receptacles

Weather-resistant receptacles are required for new the exterior outlets (406.4(D)(6)). GFCI outlet shall have the WR or WP mark printed on the face of the outlet itself.

exterior outlet GFCI weather proof
Outdoor outlet GFCI Weatherproof protected


Reference Codes – National Electrical Code – California Electrical Code