metal studs

[lumnjani]

i want advice for about metal studs..im asking to wiring a new house with two floors..all wall site and partition it with metal studs and plasterboard..metal studs have own hole for cable to go throught..on some part i open other hole ..when i finish first fix person on the charge ( calling himself manager ) ask me to grommet all hole when the cable going throught metal studs because its on building regulation and have to meet 17th edition criteria ..its any specific requirements on the building regulation or 17th edition wiring regulation who ask me do to that...please help asap...

 

[GLENNSPARK]

i would get those holes lined with either T&E sheething as has been suggested...or grommets....its not just about the weight of cables bareing down in thise edges.....its installing/pulling those cables through as well.....why take the risk as any unseen damage will only manefest itself at testing stage when all the cable`s are in......

 

[edexlab]

I did some new builds for a firm a few years ago and did'nt like using rubber grommets as they would fall out if anyone wiggled the cable ,so I used to get 25mm,to 20mm plastic conduit reducers and borrow this flooring glue the chippy had drop them in with a drop of glue and you could'nt get them off ,another similar item was a plumbing accessory can't remember the part name or number,will look , but they were 20mm plastic tube 35mm long with a rounded lip and these worked well in the 20mm holes with the same method.

 

[1shortcircuit]

Imagine the pain in the arse getting a call back to fault find on one of these installations. I would have to take care and ensure there is no risk of damage. That little extra time looks professional and will save you the cost of having to pay for re-boarding/decorating etc just because a little time wanted to be saved.

Is it worth the risk? That's for you to decide but I know what I would be doing

 

[johnboy6083]

i would use the plastic 25mm bushes and locknuts.it will be far quicker than using grommet strip or grommets, and wont fall off.

 

[telectrix]

or bang a length of 20mm pvc tube in for the drop/s.

 

[johnboy6083]

Tel has a fair point. If you drill 25mm holes ioj the rails, you can thread 20mm tube through it, and l;eave a gap where sockets will go. Not a conventional conduit sytem, but a damn lot better than just stringing it along the ceiling and dropping down.