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EMT(Electrical Metal Tubing)
Our EMT is manufactured from high-quality, CRC,. Produced by the electric resistance welding (ERW) process, the finished tube is uniform in OD size, wall thickness, and ductility. The exterior and interior surfaces are thorough and evenly coated with zinc using an inline galvanizing process, so that metal-to-metal contact and galvanic protection against corrosion are provided. After, the interior surface will be coated with organic lubricating coating to reduce friction, for easier wire pulling and Pushing..
Outside diameter tolerances:
+/-.005 in. (.13mm) for trade sizes 1/2" (16mm) through 2" (53mm) ; +/- .010 in. (.25mm)for trade sizes 2-1/2" (63mm)
+/- .015 in. (.38mm) for trade size 3" (78mm) ; +/- .020 in. (.51mm)for trade sizes 3-1/2" (91mm) and 4" (103mm)
Note: Length = 10 ft. (3.05m) with a tolerance of +/-.25"(6.35 mm)
The length of straight conduit, and the weight of finished zinc-coated conduit or bare threaded tube to be coated with an Alternate corrosion-resistant
coating with one coupling,
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