Overview
The Cooper B-Line 444SC is a Type 1 NEMA 1 screw cover junction box engineered for general industrial wiring, junction, and pull box applications. Each 4x4x4 inch enclosure is fabricated from carbon steel with acrylic electrocoating for corrosion resistance. This box of 6 units provides the standard protection required for controlling access to electrical equipment in dry indoor environments.
Key Features
- NEMA 1 / IP30 rated enclosure—protects against accidental contact with enclosed equipment
- Screw cover design with plated hex head combo screws for secure closure
- Carbon steel construction with acrylic electrocoated finish in gray
- 2 side knockouts and 2 top-bottom knockouts for flexible wiring entry
- Keyhole slots in cover allow access without removing screws
- #10-32 tapped hole provision for optional ground lugs kit
- Surface mounted with back-mounted installation holes
- UL 50 Listed, CSA C22.2 No. 40 Certified, IEC 60529 compliant
Technical Specifications
- Dimensions: 4 inches H × 4 inches W × 4 inches D
- Material: Carbon Steel
- Finish: Acrylic Electrocoated Gray
- NEMA Rating: NEMA 1 (Type 1)
- IP Rating: IP30
- Cover Type: Screw Cover (SC)
- Knockouts: 2 side, 2 top-bottom
- Mounting: Surface mounted
- Weight per unit: Approximately 1.9 lbs
- Certifications: UL 50, CSA C22.2 No. 40, IEC 60529
Typical Applications
- Wiring boxes and electrical junction enclosures
- Pull boxes for cable routing and organization
- Control panel and equipment protection in industrial facilities
- Building automation and lighting control installations
- Dry indoor environments where basic equipment protection is required
Compatibility & Replacements
Compatible With
- Standard #10-32 ground lugs and accessories
- Industrial wiring and conduit systems
- Standard electrical mounting hardware
- Facilities requiring NEMA 1 / IP30 rated enclosures
Replaces / Drop-In Replacement For
- Eaton B-Line 444SC (same part manufactured by Eaton/Cooper)
- Earlier or competitor 4x4x4 NEMA 1 screw cover boxes with matching knockout configurations
Works With
- Standard industrial wiring practices and installation techniques
- Any 110V–277V control or lighting circuit requiring basic enclosure protection
- Conduit and cable glands conforming to standard electrical codes












