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| Bridgeport introduces expansion couplings Steel expansion couplings and bonding jumper assemblies from Bridgeport Fittings provide secure connections and grounding, regardless of temperature changes or moving parts, with fast, easy installation. Bridgeport's steel expansion couplings for EMT ¾" to 4" trade sizes are as easy to use and install as a regular EMT set-screw coupling. The couplings compensate for up to 2" of conduit movement in dry locations. The bonding jumper assemblies, designed for ½" to 4" trade sizes, handle up to 4" expansion on EMT in addition to creating a secure ground for rigid conduit and copper water pipe. Installed easily to expansion couplings, the jumper assemblies feature bronze ground clamps and copper bonding strips. write your comments about the article :: © 2007 Construction News :: home page |