Description
Electric Wall Box Metal 4×4” is a metal electrical junction box, typically used in residential, commercial, and industrial wiring. The “4×4” refers to its size, which is 4 inches by 4 inches, a common dimension for electrical boxes. Here’s a quick rundown of its features and applications:
Key Features:
- Material: Usually made from steel or galvanized metal, providing durability and protection against physical damage, moisture, and rust.
- Shape: The box is usually square-shaped with several knockouts (removable sections) on the sides and back. These allow conduits or cables to be run into the box securely.
- Depth Options: Available in different depths (such as 1-1/2″ or 2-1/8″) to accommodate more or fewer wires.
- Capacity: 4×4 boxes can often handle multiple wiring connections and can house switches, outlets, or other electrical components. The depth and volume determine how many wires and devices can be safely installed.
Uses:
- Junctions: Often used to connect multiple wires together safely.
- Outlets and Switches: Can house duplex outlets, single switches, or even multiple switches.
- Conduit Runs: Commonly used with metal conduit to protect wiring, especially in exposed or industrial environments.
- Surface Mounting: Suitable for surface-mounted installations (like in basements, garages, or warehouses) where the box will be visible rather than inside walls.
Code and Safety:
- The National Electrical Code (NEC) regulates the number of wires in these boxes, as overcrowding can lead to overheating. Using the correct box volume (measured in cubic inches) is crucial to avoid electrical hazards.
Benefits of Metal:
- Fire Resistance: Metal boxes can contain sparks better than plastic in case of a short circuit.
- Grounding: Metal boxes can serve as part of the grounding system, offering added safety in case of faults.
The 4×4 metal box is a versatile and durable choice for various electrical applications, especially where added protection and code compliance are essential.
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