M&K Metal Junction Boxes for Secure, Durable and Efficient Electrical Connections
Kangma Electric (Brand: M&K) is a professional manufacturer of low-voltage electrical products, specializing in metal junction boxes, distribution boxes, switchgear, and related accessories.
With modern production capabilities, standardized quality systems, and OEM/ODM support, the company supplies global customers across industrial, commercial, and project-based sectors.
Full range of low-voltage electrical components engineered for building electrical installations and distribution systems.
Customized Production and Brand Support for International Markets
- Full brand protection for distributors
- Registered trademarks worldwide
- Supports automated assembly lines
- ISO 9001 / 14001 / 45001 certified
- CE, ROHS, IEC, UL compliant
- Up to 3-year product warranty
- Custom logo printing & engraving
- Tailored packaging solutions
- Low MOQ per product type
- Reliable global manufacturing partner
- Mold & tooling development
- Product design & engineering support
- International testing & certifications
- 24-hour technical response
- Overseas factory for electrical products
Markets & Applications
Widely used in building electrical installations, distribution equipment, residential and commercial projects.
- Residential Buildings
- Commercial Buildings
- Electrical Distribution Installations
- Industrial Facilities
- Project Contractors
- Brand Distributors
In a metal junction box or metal knock out box, knockout configuration means more than the quantity of knockouts. It includes their number, size, position,
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
The term “knockout” refers to a pre-punched, perforated section in a metal junction box that can be easily removed by a tool. This allows the
The terms “Metal Junction Box” and “Knock Out Box” are often used interchangeably, but they do not refer to exactly the same product. While they