swa termination

[gazzamikes]

Hi,

im designing an installation and pricing for a large property, i plan to feed sub mains using swa. Maybe a silly question, can i gland the swa in a stud wall and bring the cores through the plaster to the consumer units? customer wants to see no cables and id much rather use swa than twin for sub mains. Was planning to run another cpc along side the swa on the very rare chance the swa gland isnt as tight as was when first installed

thanks!

 

[telectrix]

bad idea. the gland would not be accessible. btw. i've just pm'd you.

 

[driverman]

First option would be: Fit a flush metal consumer unit within the stud wall and terminate the SWA cable directly into the con/unit.
Be even neater for your consumer. If single phase, use 3 core, one core for earth as well as the armour.
Second option would be: Fix a metal adaptable box within the stud wall ( like you would do skt box) and fit the con/unit directly in front of it. Hope that helps. What do others think?

 

[babylonsBurning]

Regarding:
"swa gland isn't as tight as was when first installed"
Check out "piranha lock nuts" at TLC

 

[danzor]

Just bring the SWA out the wall 1/2ft below the board? Gland into the board if metal or adaptable box.

Is the CU on show?

 

[gazzamikes]

It's not on show as its in a cupboard but customer extremely against any cable on show anywhere, especially as its grade 2 listed they want everything hidden

 

[gazzamikes]

Driverman that's what I had in mind but didn't know if it was permitted

 

[Octopus]

I wouldn't recommend a box in the stud wall. Bad practice.

Use a wiska box below the CU!

 

[KAS1]

Doesn't the cupboard conceal the SWA ?

 

[KAS1]

I hope he doesn't want to conceal any flexes going to any portable equipment lol

 

[gazzamikes]

My point exactly,
His response was "if I'm spending over £5k on a cupboard fit out I don't want it ruined". The only alternative is twin but for some reason I don't running twin as sub mains cable just feels a bit amateurish if I dare say it!

 

[somersetsparks]

Twin may well be a non starter if the cables are flush anyway? as you can't 30ma the whole lot. from 1 remote rcd. I second a flush metal unit

 

[gazzamikes]

Wouldn't a flush unit contravene the accessibility of the gland too? As the the lock nut becomes accessible but what about the rest?

 

[somersetsparks]

Wouldn't a flush unit contravene the accessibility of the gland too? As the the lock nut becomes accessible but what about the rest?

Well somethings got to give. IMO a properly done gland in a wall (hopefully a stud wall) is not a problem use a CW gland to take the strain off of the armouring . And use a pirana nut thingy.

 

[gazzamikes]

That sounds a plan, I was planning on cleating cable to the stud work to take strain off