Electrical Boxes and Fittings

Electrical boxes and fittings are the enclosures and hardware components that house wire connections, support fixture mounting, and protect conductors at junctions throughout a lighting installation. Selecting the correct box type is both a code requirement and a practical necessity: boxes must match the installation environment, the conductor count entering the enclosure, and the weight of any fixture being supported.

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About Electrical Boxes and Fittings

Electrical boxes and fittings are the enclosures and hardware components that house wire connections, support fixture mounting, and protect conductors at junctions throughout a lighting installation. Selecting the correct box type is both a code requirement and a practical necessity: boxes must match the installation environment, the conductor count entering the enclosure, and the weight of any fixture being supported at that point.

This section covers the full range of box and fitting types used in commercial and residential electrical work, organized by application and environment.

Standard Electrical Boxes handle interior rough-in for switches, receptacles, and ceiling or wall fixture mounting. Plastic and metal options are available in single-gang, multi-gang, and octagon configurations for new construction and retrofit applications. Browse Electrical Boxes for the full selection.

Weatherproof Boxes are required for outdoor and damp-location applications: in-use covers, rain-tight fittings, and boxes rated for sustained wet exposure. Critical for exterior lighting, GFCI outlet installations, and any location exposed to direct weather or irrigation. See Weatherproof Boxes.

Conduit Fittings cover the connectors, couplings, straps, and adapters used to assemble EMT, rigid metal, flexible, and PVC conduit systems. These fittings secure conduit runs and make watertight entries into enclosures. Browse Conduit Fittings. For the conductors that run through these enclosures, see Wire and Cable.