Overview
The Hoffman F44BB2C barrier brackets (part 20270) are engineered compartment dividers for 4×4 Type 12 lay-in wireway systems. Manufactured by nVent Hoffman, these plated spring steel brackets enable engineers and technicians to organize and separate conductors, cables, and components within wireway runs. The friction-fit design requires no fasteners, simplifying installation and maintenance while maintaining a professional, organized electrical infrastructure.
Key Features
- Plated spring steel construction — Durable, corrosion-resistant material rated for industrial and commercial environments
- Friction-fit installation — No tools or fasteners required; brackets stay in place by contact pressure inside wireway
- 2–3 compartment configuration — Divides 4×4 wireway into two or three separate sections for logical cable separation
- NEMA 12 rated — Meets enclosure standards for dust, moisture, and drip protection
- Pack of 5 brackets — Recommended 3 ft spacing increments allow flexible layout for longer runs
- Gray steel finish — Aesthetic consistency with Hoffman enclosure product lines
Technical Specifications
| Manufacturer | nVent Hoffman |
| Part Number | F44BB2C |
| Model Number | 20270 |
| UPC | 78351020270 |
| Wireway Size | 4.00 × 4.00 inches |
| Wireway Type | Type 12 Lay-In |
| Material | Steel, plated spring steel brackets |
| Finish | Gray |
| Quantity Per Package | 5 brackets |
| Recommended Spacing | 3 ft increments |
| Depth | 1 inch |
| Weight | 0.7 lb per package |
| NEMA Rating | NEMA 12 (dust & moisture protection) |
| Installation Method | Friction fit (no fasteners) |
| Barrier Configuration | 2-Compartment kit |
Typical Applications
- Power distribution centers — Separate power and control circuits within a single wireway
- Industrial control panels — Organize conductors for clarity and safety during troubleshooting
- Manufacturing automation systems — Divide signal, power, and ground runs in multi-conductor runs
- Electrical rooms and substations — Create logical zones within lay-in wireway installations
- OEM machinery integration — Maintain conductor segregation in high-density cable management
Compatibility & Replacements
Compatible With
- Hoffman 4×4 Type 12 lay-in wireway systems
- nVent Hoffman enclosure product family
- Standard power distribution and control wiring applications
- NEMA 12-rated electrical installations
Replaces / Drop-In Replacement For
- Previous Hoffman barrier bracket designs for 4×4 wireway
- Generic 4×4 compartment divider brackets (verify compatibility before installation)
Works With
- Hoffman barrier kit dividers (ordered separately)
- Type 12 lay-in wireway cable management systems
- Industry-standard power and control circuit wiring



