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What is conduit pipe made from?
What is conduit pipe made from?

Learn all about electrical conduit, including how to use them.

Electric Conduit

An electrical conduit is a tube where electrical wires are stored for various building or structural purposes. Conduit protects wires and anyone who might be in close proximity to them. The US National Electrical Code (NEC) and local building codes determine whether conduit is required in certain installations. They also decide which type of conduit should used.

Rigid Metal Conduit

Rigid metal conduit (RMC), which has a thick wall, is made of aluminum or galvanized and can be used in a variety of industrial applications. This conduit is used in many industrial applications. Rigid metal, although more expensive, offers greater strength.

Galvanized Rigid Conduit

Galvanized rigid conduit (GRC), has thick walls and is the most heavy of all the electrical conduit. GRC is highly valued by electricians because of its superior corrosion resistance and protection against electromagnetic interference (EMI). GRC is suitable for indoor and outdoor applications. It can also be concealed or buried.

Intermediate Metal Conduit

Intermediate metal conduit (IMC), a type IMC of rigid conduit, is designed to protect insulated conductors and cables from outdoor exposure. This conduit offers the same protection as rigid metal conduit, but it is more cost-effective for projects that are not financially feasible.

PVC Conduit

A conduit for PVC with moisture droplets.

The most common type of non-metallic conduit is polyvinyl chloride (PVC). It has many advantages.

Easy to install and versatile

These options are usually less expensive than other options

Lightweight

Available in various wall thicknesses

It works well underground and in concrete

PVC conduit, despite its many benefits in other applications is not recommended for direct sunlight exposure. The material can be damaged by sunlight over time.

Conduit Liquid-Tight, Non-Metallic

Clear tape is used to hold the liquid-tight, non-metallic conduit together.

This conduit is non-metallic and liquid-tight. It can be used in areas where moisture might become a problem. This conduit should be used with liquid-tight fittings.

Electric Metallic Tubing

The electrical metallic tubing (EMT), which is made of aluminum or coated steel, is more economical than other conduit and has a thinner wall. Although it doesn't provide the same protection as rigid conduit, this conduit can be used in conjunction with conduit fittings to eliminate the need for threading. EMT can be bent with a special tool to fit around obstructions and follow the form of the installation.

How to Bend Conduit

A conduit bender tool is used to help a person step on a metal conduit.

To accommodate many electrical applications, you can bend the metallic steel tubing with a conduit bender tool. To determine the length and angle of the conduit, measure the area. Also, you will need to calculate the required deduct length (or takeup), which is the extra length lost in the bend. The length of your conduit will vary depending on its diameter. However, many conduit benders come with guide marks that can help you calculate. Once you have determined the correct length of the deduct, mark the location where the bend should be and make any necessary cuts at the end. To remove burrs from the conduit's end, you can use a conduit reamer and other tools. To bend a piece conduit, press down with your heel on the bender. Then pull the handle back with steady pressure.

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