FEDERAL SIGNAL Weatherproof Back Box: Thermoplastic, 4 3/8 in Overall Wd
The FEDERAL SIGNAL WB-NM is a thermoplastic weatherproof back box for alarm and wall fixture covers, measuring 4 3/8 in overall width in gray. It features a weatherproof housing and is compatible with model 450E-024…
SKU 3G-OTH-560379
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Product Description
The FEDERAL SIGNAL WB-NM is a thermoplastic weatherproof back box for alarm and wall fixture covers, measuring 4 3/8 in overall width in gray. It features a weatherproof housing and is compatible with model 450E-024. 3G Electric interprets this demand, sources the genuine part, and supports your industrial facility needs across 14 departments, with specialist depth in combustion, pumps, and controls.
Frequently Asked Questions
What is the FEDERAL SIGNAL WB-NM weatherproof back box used for?
The FEDERAL SIGNAL WB-NM is a thermoplastic weatherproof back box designed to house alarm and wall fixture covers in industrial environments. It provides a durable, gray enclosure that protects electrical connections from moisture and debris, making it suitable for outdoor or washdown areas in facilities across 14 industrial departments.
What are the specifications of the FEDERAL SIGNAL WB-NM?
The FEDERAL SIGNAL WB-NM is a weatherproof back box made of gray thermoplastic with an overall width of 4 3/8 in. It features a weatherproof housing and is compatible with model 450E-024. The manufacturer part number is WB-NM. 3G Electric supplies this genuine FEDERAL SIGNAL part for industrial applications.
Where to buy the FEDERAL SIGNAL WB-NM worldwide?
3G Electric supplies the FEDERAL SIGNAL WB-NM weatherproof back box to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to source this genuine part for your alarm or wall fixture cover installation.
How to install the FEDERAL SIGNAL WB-NM weatherproof back box?
Install the FEDERAL SIGNAL WB-NM by mounting it to a flat surface using appropriate hardware, ensuring the gasket seals against moisture. Route wiring through the knockout openings and secure the compatible alarm or wall fixture cover. Follow local electrical codes and the manufacturer's instructions for weatherproof installations.
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3G Electric supplies FEDERAL SIGNAL backboxes for alarm & wall fixture covers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.





