Properly housing your electrical wiring keeps connections protected and code-compliant. Explore the range of electrical boxes at Ace Hardware, from Cantex, Southwire and other brands.
Main Types of Electrical Boxes
Electrical boxes are designed to safely enclose wire splices and support devices across residential and commercial boxes, fittings and conduit setups.
PVC and Non-Metallic Boxes
Non-metallic boxes made of PVC or polycarbonate are commonly selected for standard indoor residential framing. Options may include single-gang and multi-gang designs for mounting switches and receptacles, as well as vapor-proof models that can help limit air leakage through exterior wall insulation.
Steel and Galvanized Metal Boxes
Galvanized steel boxes provide durable protection for exposed interior wiring, commercial spaces and structural studs. Utility handy boxes, square junction boxes and octagon ceiling units often pair with rigid conduit runs, making them practical for basements, workshops or garage installations. Matching box covers can help close off unused junction boxes or protect enclosed splices.
Weatherproof and Die-Cast Boxes
Die-cast metal and aluminum weatherproof boxes help shield exterior connections from rain, moisture and dirt. These units can accommodate outdoor outlets or GFCI kits, often featuring threaded hubs compatible with wet location conduit connectors to maintain a secure seal against harsh outdoor elements.
Fiberglass and Specialty Boxes
Fiberglass boxes offer rigid support in humid, damp or corrosive spaces where standard materials might degrade over time. Specific configurations may include round smart ceiling boxes and heavy-duty designs intended to support paddle fans or overhead lighting fixtures in challenging residential environments.
How to Choose the Right Electrical Box
Comparing standard box styles by material and project type can help you identify the right enclosure for your installation.
| Box Material | Choose If | Standard Configuration |
|---|
| PVC | Running non-metallic indoor wiring through standard wood stud walls | 1-gang to 4-gang, ceiling pan |
| Galvanized Steel | Running exposed surface metal conduit in garages or commercial basements | Utility handy, square junction, octagon |
| Die-Cast Metal | Installing exterior receptacles exposed to rain, snow or washdown moisture | 1-gang or 2-gang weatherproof with threaded hubs |
| Fiberglass | Installing wiring in corrosive, damp or high-humidity environments | Round ceiling, high-strength smart box |
New Work Vs Old Work Electrical Boxes: What’s the Difference?
New work boxes attach directly to exposed wall studs or joists before drywall is hung, utilizing built-in nails or bracket mounts. Old work boxes, also called remodel boxes, feature flip-out clamping ears designed to secure directly against existing drywall or plaster. Choosing old work models can help simplify add-on wiring without requiring you to cut open large wall sections.
How Do You Find Box Fill Calculation?
Box size is measured in cubic inches to accommodate both the devices and the total number of wire conductors entering the enclosure. Selecting a box with sufficient cubic capacity helps reduce wire overcrowding, can reduce heat buildup and supports compliance with national electrical codes. You can calculate required box volume by adding up the volume allowances for each conductor, internal clamp, support fitting and device.
Shop Electrical Boxes at Ace Hardware
Order online for fast shipping or convenient curbside pickup to get the right supplies delivered directly to your project site. You can also visit your neighborhood store to shop electrical boxes near you and consult with helpful staff and pick up same-day wiring components in person.
