nVent Hoffman Mild Steel Terminal Box — NEMA 4/12/13, 15.75 x 15.75 x 4.72 in.
The nVent Hoffman STB404012 is a mild steel terminal box rated NEMA 4/12/13, designed for protecting terminal wiring assemblies in industrial and commercial environments. At 15.75 inches square with a 4.72-inch depth, it provides ample space for terminal blocks, wire management, and field wiring connections while meeting protection requirements for dust, oil, and splashing water.
Key Features
- Mild steel construction for durable, long-lasting enclosure performance
- NEMA 4/12/13 rating — protection against windblown dust, rain, splashing, and oil
- Dimensions: 15.75 in. H x 15.75 in. W x 4.72 in. D
- Suitable for indoor and outdoor environments
- Designed for terminal wiring and field connection assemblies
- Manufactured by nVent Hoffman, a leading industrial enclosure brand
Applications
- Industrial terminal wiring enclosures in manufacturing and process control
- Field junction boxes for motor control, instrumentation, and power distribution
- Outdoor and indoor control wiring termination points
- Environments requiring NEMA 4/12/13 protection against dust and liquids
Product Information
- Manufacturer: nVent Hoffman
- Model: STB404012
- UPC: 71357415829
- Material: Mild Steel
- NEMA Rating: 4/12/13
- Dimensions: 15.75 in. H x 15.75 in. W x 4.72 in. D





