CBMWWD3211C The StarTech.com CBMWWD3211C is a 20-pack of cable raceway couplers designed for use with the StarTech.com CBMWWD3211 raceway system. These couplers facilitate the extension of cable raceway runs by securely joining two raceway sections together. Made from self-extinguishing, warp-proof ABS material, these couplers are UL approved with a 94HB Flammability Rating, contributing to a secure installation. They address the need for extending existing raceway infrastructure to accommodate longer cable

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