If You Pass This Quiz You Were Meant To Be A Plumber
Which type of pipe is most commonly used for residential water supply lines?

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PEX, or cross-linked polyethylene, is a flexible and durable plastic tubing used in plumbing systems. It’s known for its ease of installation, resistance to corrosion, and suitability for both hot and cold water, making it a popular choice for residential and commercial plumbing projects.
Unseen Histories/Unsplash
Unseen Histories/Unsplash
Which type of pipe is most commonly used for residential water supply lines?
- PEX
- copper
- cast iron
- PVC
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