Which material is most commonly used for electrical conduit?

The most commonly used materials for electrical conduit are PVC (polyvinyl chloride) and metal. These materials provide excellent protection for electrical wiring, safeguarding it against physical damage, moisture, and environmental conditions.

PVC is popular due to its lightweight, corrosion resistance, and ease of installation. It is non-conductive, which makes it a safe option for many electrical applications. Metal conduits, such as EMT (Electrical Metallic Tubing), provide added strength and grounding capabilities, effectively protecting wires in high-risk environments. The selection between PVC and metal often depends on the specific installation requirements, such as location, environmental exposure, and regulatory compliance.

The other materials listed—wood, rubber, and glass—are not typically suitable for use as electrical conduit. Wood may be used in some construction applications but lacks the necessary properties for electrical safety and protection. Rubber and glass do not provide the required structural integrity or support for wiring in the same way that PVC and metal do in conduit applications.