The smooth materials that grommets are made out of offer a safe and friction-free opening for your cables to pass through. Grommets can be made out of many different materials, but the most common ...

But we needed to make sure it was large enough for that big fat cable end connector to pass through, which is right ... too small for one of those desk top grommets to fit into and a little ...

Test your knowledge of the NEC. A. If Type NM cables pass through factory or field-made openings in metal framing members, the cable must be protected by listed bushings or listed grommets that cover ...