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Standard Metal Junction Box

A versatile standard metal junction box for general electrical wiring, switch and socket mounting, and conduit connection protection.

• Product Type: Standard Metal Junction Box
• Gang Options: 1 Gang / 2 Gang / 3 Gang / 4 Gang
• Common Formats: 3″x3″, 4 Square, Multi-Gang
• Material Thickness: Custom Available
• Mounting Type: Surface Mount / Flush Mount
• Customization: Depth, Knockout Layout, Thickness, Packaging

Product Details

The M&K Standard Metal Junction Box is designed for general electrical installations where practical structure, broad compatibility, and stable supply are important. It is suitable for switch and socket mounting, conduit connection points, and branch wiring protection in residential, commercial, and light industrial applications.

With support for common formats such as 3″x3″, 4 square, and 1–4 gang options, this product offers a reliable solution for customers who need a standard box range with room for project-based customization.

Key Features

  • Universal design for a wide range of electrical applications
  • Available in 1 gang, 2 gang, 3 gang, and 4 gang options
  • Supports common 3″x3″ and 4 square formats
  • Durable metal construction for dependable wiring protection
  • Suitable for both surface-mounted and flush-mounted installation
  • OEM production available for depth, knockout, and thickness adjustments

Available Configurations

This standard metal junction box can be supplied in multiple structural and size directions to suit different installation requirements and market needs.

1–4 Gang Options 3″x3″ Box 4 Square Box Custom Knockout Layout Optional Connecting Rod Different Thickness Options

Typical Applications

Residential Wiring
Suitable for common household electrical installation and branch wiring protection.
Commercial Installations
A practical option for building projects that require standard box compatibility.
Switch & Socket Mounting
Works well for mounting points where secure box structure and easy installation are needed.
OEM Assemblies
Suitable for wholesalers and project buyers looking for standard supply with customization support.

Customization Options

M&K can adjust this product according to different project demands and sales markets, helping customers build a product range that is more aligned with installation habits and purchasing preferences.

  • Material thickness
  • Box depth
  • Gang configuration
  • Knockout pattern
  • Mounting structure
  • Surface finish
  • OEM marking
  • Export packaging

Why Choose M&K

For buyers looking for a standard metal junction box with reliable structure and flexible supply support, M&K offers a practical combination of stable manufacturing, OEM capability, and export-oriented service.

Stable Bulk Supply OEM / ODM Support Quality Inspection Technical Confirmation Export Service

 

FAQ

What is this standard metal junction box mainly used for?

It is mainly used for general electrical wiring, switch and socket installation, and conduit connection protection in residential, commercial, and light industrial projects.

Can different gang options be supplied?

Yes. M&K can supply 1 gang, 2 gang, 3 gang, and 4 gang versions according to project requirements.

Can thickness or knockout layout be customized?

Yes. Custom thickness, depth, and knockout layout can be arranged for OEM and project-based orders.

Is this model suitable for both distributors and contractors?

Yes. This standard series is suitable for wholesalers, importers, contractors, and OEM customers looking for a widely applicable box type.

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What is a Metal Junction Box?

A metal junction box is a protective enclosure designed to house electrical connections like wires and cables. Made from durable materials such as steel or