Exterior Wall Electrical Box Code

The form is slightly larger than the box creating a small gap on the sides and a space at.

Exterior wall electrical box code. The National Electrical Code NEC includes many specific requirements for installation of outdoor circuits and equipment. The assembly doesnt have to be waterproof just drip tight which basically means its unlikely that water in the form of rain will enter the assembly. In new construction can there be an indoor into kitchen and outdoor outlet on back porch in the same bay.

This requirement appears both in the IBC and in the National Electrical Code. The reason for it is the new Alberta Building Code Prescriptive Energy Efficiency Requirements for Houses. The Code cite youre after is NEC 21052 E with subsections 1 and 3 being the commonly applicable ones.

A regular box mounted within an exterior wall is ok to use for an exterior fixture when the exterior fixture is rated to be exposed to the weather and provides protection to the box within the wall. There is no electrical shock hazard here. Two architects have come up with an inexpensive way of air-sealing and insulating electrical boxes in exterior walls.

This months Electrical Connection Joes Tips topic is on the code change for exterior wall electrical device boxes eg. Free Shipping On All Online Orders. Does an exterior light need a box.

Outdoor receptacle outlets shall be installed in accordance with 21052 E 1 through E 3. The air barrier shall be installed behind electrical or communications boxes or air-sealed boxes shall be installed. Electrical code requires that all junctions be accessible in a box so you definitely need one here.

Light fixtures in wet or exposed areas must be listed for use in wet locations. Various key locks swing handles. Electrical Phone box on exterior walls.