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Milbank 101048-GSC1 BP104 Series Trough Enclosure, 10X10 X 4FT
Model: MIL-101048-GSC1
Milbank 101048-GSC1 BP104 Series Trough Enclosure, 10X10 X 4FTThe Milbank 101048-GSC1 is a BP104 series trough enclosure built to route, organize, and protect electrical conductors as they travel...
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Milbank BP44 Series NEMA 1 Screw-Cover Wireway Trough
The Milbank BP44 Series Screw-Cover Wireway Trough is a NEMA 1 rated wireway section engineered for organized routing and protection of electrical conductors in indoor panel and control installations. This trough measures 4" x 4" in cross-section and spans 4 FT in length, delivering a compact, code-compliant raceway solution for connecting panelboards, load centers, distribution equipment, and control enclosures. A screw-mounted cover provides secure, tool-accessible entry to conductors, making it easy for electricians to route, splice, and tap wiring without disturbing adjacent equipment. As part of Milbank's BP44 Series wireway and trough product line, this section is built to support dependable, general-purpose indoor electrical distribution work in commercial, industrial, and utility applications.
Key Features
- Trade Size: 4" x 4" cross-section sized for routing multiple conductors while maintaining a compact footprint in tight electrical rooms and panel assemblies.
- Length: 4 FT section length for straightforward runs between panelboards, meters, and control enclosures, simplifying layout planning for installers.
- Screw-Cover Access: A tool-secured screw cover keeps conductors protected from incidental contact and debris while still allowing controlled access for wiring, splicing, and future maintenance.
- NEMA 1 Rating: Suitable for general-purpose indoor electrical installations where protection from incidental contact is required.
- Dedicated Wiring Pathway: Provides an enclosed, organized pathway for field wiring, taps, and splices, keeping conductors separated from other equipment and reducing installation clutter.
- BP44 Series Construction: Part of Milbank's BP44 wireway/trough line, engineered for dependable, code-compliant electrical distribution work in commercial and industrial settings.
Certifications & Compliance
- NEMA 1 Rated for General-Purpose Indoor Use
Technical Specifications
- Refer to manufacturer documentation for complete technical specifications.
Typical Applications
- Panelboard and Load Center Interconnections
- Industrial and Commercial Control Panel Wiring
- Indoor General-Purpose Wire Management
- Conduit and Raceway Distribution Systems
- Electrical Room and Switchgear Installations
- Field Wiring, Splicing, and Tap Connections
Why Milbank?
Milbank is a trusted manufacturer of electrical distribution equipment, and the BP44 Series wireway troughs are built for dependable, code-compliant wire management in NEMA 1 environments. The screw-cover design provides secure, accessible entry for installation and maintenance while keeping conductors organized and protected from incidental contact. Choose Milbank for reliable electrical infrastructure components engineered to support demanding professional electrical installations.
Manufacturer Resources
Product Specs
- list_batch:
- MIL-20260917
- Product Type:
- Wireway
- Series:
- BP44
- Configuration:
- Screw Cover
- Standards:
- NEMA 1
- Department:
- Electrical
- Product Subgroup:
- Wireway
- Product Size:
- 4" x 4"
- Product Group:
- Conduit & Raceway
- Product Length:
- 48 in
- Product Finish:
- ANSI 61 Gray Powder Coat Finish
- Product Material:
- Steel
- Product Height:
- 4 in
- Product Width:
- 4 in
Milbank 4448-GSC1 – Frequently Asked Questions
1) Can the Milbank 4448-GSC1 wireway be used outdoors or in a wet location?
No. The 4448-GSC1 is a NEMA 1 trough, which is general-purpose indoor protection against incidental contact only. For an outdoor or wash-down run you need a raintight enclosure instead, such as the Square D RDB Series Square-Duct, which is rated NEMA 3R.
2) Is there a wireway like the Milbank 4448-GSC1 with a cover that does not have to be unscrewed?
The Milbank 4448-GSC1 uses a screw cover, which is tool-secured and removed fastener by fastener. If you want the cover to stay attached when opened, the Square D Square-Duct LDB45 is a NEMA 1 wireway with a hinged cover, and the Hoffman F88T172G is a lay-in style wireway, which lets conductors drop in from the side rather than being pulled through.
3) What size and length is the Milbank 4448-GSC1 wireway section?
It is a 4 x 4 inch cross-section trough in a 4 foot section length, so a straight run between a panelboard and a control enclosure is built up in 4 foot increments. The 4 x 4 inch interior is sized for routing multiple conductors without taking much wall space in a tight electrical room.
4) Screw cover or hinged cover wireway, which should I use?
A screw cover, which is what the Milbank 4448-GSC1 uses, is bolted on with fasteners. It keeps conductors protected from debris and incidental contact and is fine where you open the trough during installation and occasional maintenance. If you expect to open the same run repeatedly, a hinged cover is faster, and the Square D Square-Duct LDB45 is a NEMA 1 wireway with a hinged cover.
5) Can I make splices and taps inside this Milbank wireway?
Yes. The BP44 Series trough gives an enclosed pathway intended for field wiring, taps, and splices, and the screw cover comes off so an electrician can pull, splice, and tap without disturbing adjacent equipment. Fill and splice limits for wireway still apply under the NEC, so size your conductor count to the 4 x 4 inch cross-section.
6) Can I use a Hoffman Econotrough section in place of the Milbank 4448-GSC1 for an indoor run?
Both are steel wireway troughs for routing and protecting conductors. The Hoffman F6636RTG is an Econotrough Series wireway trough in galvanized steel at 36 inch length, while the Milbank 4448-GSC1 is a BP44 Series section 4 FT long with a screw cover. Because the Hoffman section is shorter, confirm your layout dimensions and that the fitting and knockout pattern lines up before mixing series in the same run.
7) Does the Square D RDB wireway work as a drop-in replacement for a Milbank 4448-GSC1 indoor trough?
They are not interchangeable as a matter of course. The Milbank 4448-GSC1 is a NEMA 1 screw-cover trough for general-purpose indoor use, while the Square D RDB Series is a NEMA 3R raintight Square-Duct wireway in 16-gauge steel. The RDB covers the indoor duty as well, but it is a different series with its own cover and fitting system, so sections and connectors do not mate with BP44 parts.
How fast can I get the Milbank 4448-GSC1 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Milbank 4448-GSC1 come with a warranty?
Absolutely. The Milbank 4448-GSC1 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Milbank 4448-GSC1?
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