Mighty-Move® expansion couplings allow for expansion and contraction in an indoor or outdoor raceway system. Their unique, patented, low profile design is ideal for limited space requirements. Mighty-Move® expansion couplings are available in raintight and non-raintight (dry location) models.

Bridgeport® Mighty-Move® Set Screw Expansion Coupling, 3-3/4 in Size, For Use With: EMT Conduit, Steel, Enamel Painted/Zinc Plated, 6 in L Dimensions

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• Assembles like a regular EMT set screw coupling
• To install, simply slide coupling end stop onto fixed end of EMT and tighten screw
• Place movable EMT completely into coupling and mark engagement, remove EMT and mark half the distance of engagement, reinstall EMT to half distance
• Low cost and easy to use
• Patented design