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The Federal Signal WB-NM is a weatherproof back box designed for outdoor electrical applications. Made from non-metallic thermoplastic, this back box is suitable for use with model 450E horns. It features a molded neoprene gasket for weather resistance.
Designed to protect electrical connections in outdoor settings, this back box is built for strength and reliability.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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