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Views: 48 Author: Site Editor Publish Time: 2019-03-20 Origin: Site
Electrical metallic tubing (EMT), also commonly called EMT Conduit, is a listed steel raceway of circular cross section, which is unthreaded, and nominally 10′ long. EMT is available in trade sizes 1/2 through 4. The outside is galvanized for corrosion protection and the inside has an approved corrosion-resistant organic coating. EMT is installed by use of set-screw or compression-type couplings and connectors. It is permitted to have an integral coupling comprised of an expanded, “belled” shape tube on one end with set screws.
