Custom Junction Box Fabrication — Precise & Fast
Stainless steel and galvanized junction boxes for residential and industrial electrical systems. Custom sizes, IP54/IP65 rated, durable powder coat finish.

What is a junction box?
A junction box is a protective enclosure for electrical devices such as circuit breakers, fuses, outlets and controllers. Smaller than full enclosures, typically used for sub-distribution or floor-level electrical systems.
Junction boxes must meet dust and water protection standards (IP54+ for outdoor). Common materials: galvanized SGCC (indoor), stainless SUS 304 (outdoor, humid areas).
Technical Specifications
Manufacturing Process
Recommended Materials
SGCC 1.0mm is the most popular choice for indoor junction boxes. Stainless SUS 304 for outdoor, humid areas or food factory installations.
Industry Applications
Frequently Asked Questions
Do junction boxes meet IP standards?
Yes. Junction boxes are designed to IP54 (indoor) or IP65 (outdoor). Rubber gaskets and sealed construction ensure effective dust and water protection.
How much does a stainless junction box cost?
Standard box (300×200×150mm, SGCC) from $10–20. Stainless SUS 304 is 40–60% more. Send specific dimensions for exact pricing.