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TonyB

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Hi. My first post and looking for a bit of advice. I am doing the installation 'donkey work' before I get an electrician in to put a new ring mains in and make the wiring connections. All the main cables for the house are sub-floor (for the ground floor). I am putting 6 double sockets into one room and fitting backboxes and conduit down through the floor, so it should be easy for the electrician to feed the cables up when it comes to finishing the job. My question is, does each socket (backbox) have to have a conduit cable route going down through the floor, or can sockets that are next to each other (two lots of double sockets will probably be a couple of inches or so apart horizontally) be connected by conduit horizontally above the floor level? Obviously the latter would save some channeling work, but does that method conform to the regs?

Your advice would be much appreciated.
 
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E

eskimo39

  • Thread Starter Thread Starter
  • #2
Hi Tony, as far as I am aware the regs state that wiring must be either horizontal or vertical of the socket so that in the future people can correctly locate where they are buried. It is considered bad practice to install wires diagonally. So it would be fine to wire accross from socket to socket on the horizontal.

Also if it is a new build there is a band from 450mm to 1200mm with which to install sockets and switches. It is anticipated that sockets are at the bottom end of this band and switches at the top.

Hope this helps.
 
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alexg

  • Thread Starter Thread Starter
  • #3
eskimo has got it right

oh yes
 
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TonyB

  • Thread Starter Thread Starter
  • #4
Thanks guys. That helps me feel more confident about carrying on with the work. Thankfully, it's an older house, so not subject to the 450mm minimum height for sockets (which I think is crazy and looks so ugly in new build).
 
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WarrenG

  • Thread Starter Thread Starter
  • #5
Tony just a quick point that eskimo has pointed out about the socket & switch heights.

If you are planning to alter your property throughout (although ungly and I agree) it maybe worth considering the new heights if you intend to sell your property in the future?

It falls under Part M of the building Regulations and is really geared to support people with disabilities.

Young kids reaching the light switches is another debate thats been had by many of us electricians!
 
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alexg

  • Thread Starter Thread Starter
  • #6
Forget the Part M for positions - this is only for new builds and renovations.
Future owners will want them where you want them - unless you put them on the ceiling that is.

alex
 
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coxy

  • Thread Starter Thread Starter
  • #7
Hi All main refurbs including rewires must be installed to the new height positions,including smoke alarms !!
 
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eskimo39

  • Thread Starter Thread Starter
  • #8
Hi Coxy. I thought if it was additions to an exsisting installation you could match the heights with existing equipment and the 450mm-1200mm only applied to full new installations.

Am I wrong?
 
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coxy

  • Thread Starter Thread Starter
  • #9
If existing then fine,complete refurb new heights
 
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eskimo39

  • Thread Starter Thread Starter
  • #10
So as Tony is just having a new ring main installed, but I assume will already have other circuits in place, can he stay at existing height??

Is the 450-1200mm rule purly for complete new installations of all circuits?

Cheers Mate
 
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coxy

  • Thread Starter Thread Starter
  • #11
Is it a complete rewire ??? if so new heights apply.
An extension ??? then match existing.
Extra socket to existing ???? match existing
Advise
 
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aldo

  • Thread Starter Thread Starter
  • #12
does this apply to all new builds or does it not state "dwellings" in osg...im workin on a new build school and no-one seems bothered about these heights. id have thought if it applies to houses then it should be the same in schools
 
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tony.towa

  • Thread Starter Thread Starter
  • #13
Industrial, commercial and the like, including schools should comply with the requirements of the Disability Discrimination Act.
 

jeremy

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Mentor
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As far as I can understand the OSG, domestic NEW BUILDS are required to position between 450 and 1200 not rewires but on the subject of smokes any building that is structurally altered requires interconnected Fire detectors. I prefer the Aico Li-ion back ups as these don't have to be touched for the 10 yr llife of the det. Sorry if this is becoming a ramble but enjoying a peaceful evening with Meneer Merlot!
 
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