Rigid Galvanized Steel Conduit Vs Emt

Some electricians like using emt because it can be bent to.

Rigid galvanized steel conduit vs emt. Rigid metal this 1 1 2 in. This hot dip galvanized steel rmc features a coupling on one end and a thread protector on the other. To specify rigid steel conduit include the following. Emt is also called thin wall conduit because it is thin and lightweight especially compared to rmc.

Threads shall be hot galvanized after cutting. A pvc coating over listed galvanized steel conduit. Couplings are supplied separately. In addition to standard rmc imc and emt pvc coated steel conduit pvc is also available in one of three types.

Rigid metal conduit rmc and intermediate metal conduit imc are very similar in application. Its strength and wall thickness protects the wires running inside of it. Electrical metallic tubing is usually made of steel or aluminum and is cheaper than standard conduit. Emt electrical metallic tubing.

Most metal conduits are made of galvanized steel but some types also can be found in aluminum. Galvanized rigid steel conduit grc rmc can be used indoors outdoors underground concealed. Another example of a rigid electrical conduit is emt electrical metal tubing which is most commonly made of galvanized steel but can also be aluminum. Rigid steel conduit shall be hot dip galvanized and manufactured by allied tube conduit.

The most common steel conduits seen in a residential application and the ones most commonly available from local home centers are rigid metal conduit rmc electrical metallic tubing emt flexible metal conduit fmc and intermediate metal. Rigid steel conduit shall be listed to ul safety standard 6 by a nationally recognized testing laboratory with follow up service. Emt conduit provides a smooth raceway for easy wire pulling. Rigid metal conduit rmc provides physical protection for cables and conductors.

Intermediate metal conduit imc ferrous metal. Galvanized rigid steel conduit grc rmc is the heaviest weight and thickest wall of electrical conduits. Electrical metallic tubing emt. It also acts as a grounding conductor in a correctly installed electrical conduit system.

And intermediate metal or imc conduit in 1 2 to 4 dia. Allied tube conduit s galvanized rigid steel conduit is hot dip galvanized for corrosion resistance and is considered non combustible. Imc conduit is lighter weight but some consider it to be stronger than rigid conduit. Emt is another type of rigid metal conduit but this type is thin walled and doesn t possess the same strength qualities of galvanized steel.

Developed in the 70s imc is a listed threaded steel raceway of circular cross section with a coupling that can be either a standard straight tapped conduit coupling or the integral type photo 2. Primary pvc coating over bare steel which is a listed rigid conduit for environmentally suitable locations.