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While wires and cables used around the home are often protected by insulated covers and sheathing, sometimes they need a stronger protective barrier, like an electric conduit, especially if they’re at a greater risk of being damaged or severed.
The term electrical conduit refers to a protective tubing that wires and cables are run through to help prevent damage to the conductors. Often found in residential and light commercial use, electrical conduit comes in various sizes and materials for different purposes, such as indoor and outdoor use. Some common types of electrical conduit found around the home are: Flexible conduit ENT (electrical nonmetallic tubing), which is commonly referred to as smurf tube; EMT conduit (electrical metal tubing), which is also called thin wall steel tubing, because of its light but rigid construction; and rigid conduit, or RMC, which is a strong galvanized steel tubing that’s often used for outdoor and workshop type applications.
Electrical conduit is typically required when wires need to be protected against potential external damage. However, some electrical conduit is installed for to make things easier and look better: