Onuris
New member
- Location
- Dallas, TX
I've been working on this skid that has an enclosure and several VFDs all mounted on a single stand. The enclosure is connected to each VFD using flexible conduit and THHN wire, and the VFDs are connected to nearby motors on the skid also using flexible conduit and THHN. I've been asked to see what type of cables can be used to replace the flexible conduit, and other than armored cable or metal clad (which is not preferred), I'm not coming up with anything.
A vendor recommended a TC type cable, but since there is no cable tray on this stand my interpretation of Article 336 is that I cannot use that. Right now there is nothing to support these flexible conduit runs except for a few zip-ties that anchor them to the stand. The longest run is a little less than 4', so that's why the armored or metal cables would work, but we'd like to try to avoid using that. This is all 480 VAC equipment and generally less than 100 amps for each connection.
Does anyone know of any other cable types that can be run for that length? The cable fittings on both ends would be considered the supports for the armored/metal cables if we went that route.
Thank you in advance for any input, I do appreciate it.
A vendor recommended a TC type cable, but since there is no cable tray on this stand my interpretation of Article 336 is that I cannot use that. Right now there is nothing to support these flexible conduit runs except for a few zip-ties that anchor them to the stand. The longest run is a little less than 4', so that's why the armored or metal cables would work, but we'd like to try to avoid using that. This is all 480 VAC equipment and generally less than 100 amps for each connection.
Does anyone know of any other cable types that can be run for that length? The cable fittings on both ends would be considered the supports for the armored/metal cables if we went that route.
Thank you in advance for any input, I do appreciate it.