support for MC cable

[Stevenfyeager]

I do almost completely residential work. If I want to use MC cable horizontally in a open ceiling alongside an existing 1/2 inch emt conduit, can I fasten my new MC to that conduit, and if so what kind of connectors do I use? I assume the connectors need to be fire resistant. It is in a storage room in an animal hospital. If I need to run another rigid type conduit instead of MC, I can, but... Thank you.

 

[Cow]

I don't see how you can meet the requirements of 300.11(B).

I would be looking for an alternative method to support and secure the MC cable.

 

[John120/240]

What type of framing is used ? Metal or Wood ? Use the right method to match the construction. I would use one hole straps or range staples.

 

[JFletcher]

I do almost completely residential work. If I want to use MC cable horizontally in a open ceiling alongside an existing 1/2 inch emt conduit, can I fasten my new MC to that conduit, and if so what kind of connectors do I use? I assume the connectors need to be fire resistant. It is in a storage room in an animal hospital. If I need to run another rigid type conduit instead of MC, I can, but... Thank you.

You cannot fasten the MC to EMT per the aforementioned 300.11(B). You can use the same strut if the EMT is mounted on that.

Erico/Caddy has a complete line of fasteners for every imaginable install. If you are securing to the building surface, I'd use 3/8" two hole straps on every other joist.

Halex also has a battery powered strap gun that could work:

http://www.halexco.com/content/2014-Halex-ED-Catalog.pdf