IMC Pipe and Fittings
❓ Frequently Asked Questions
A 1-inch IMC pipe usually has an outer diameter of about 33.7 mm. The inner diameter depends on wall thickness and is often between 28 and 31 mm. Check the size chart before buying, because wall thickness affects cable capacity and ease of routing inside your project.
Yes, if they meet Saudi specifications and are corrosion resistant, IMC conduit can be used for buried wiring in enclosed or protected locations. In humid or coastal areas like Jeddah, choose thicker walls or anti-rust coating, and seal joints to keep moisture and dust out of the cable path.
Choose a size that keeps the fill ratio within approved safety limits, usually no more than 40% for multi-cable runs. Measure cable circumference including insulation, then add extra space for pulling and future replacement. For medium or heavy cables, confirm the smaller size with your electrical engineer.
Price changes based on wall thickness, length per piece, city, and project type. At Youmats, common IMC sizes are shown with clear pricing, so you can compare options before ordering. Check the product page for the current price and whether tax or delivery is included.
Standard IMC pipes alone do not provide full fire protection, but they can help shield cables from direct ignition when used with approved fire-resistant materials. For commercial or government projects, the design must be approved by the relevant authority, and product certificates must match Saudi specifications before installation.