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General Electrical Discussion All your electrical questions regarding electrics from within the United Kingdom. Anything that doesn't fit into any other forum that is electrical related can be posted in here.

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Old 13-06-2008   #1 (permalink)
coling
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Does anybody know how many 13amp twin sockets you are allowed on a ring main 2.5mm cable twin & earth with a 32amp MCB??

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Old 13-06-2008   #2 (permalink)
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unlimited number of sockets within a 100 square metre area

refer to Appendix 15 of the 17th edition, or table 8A of the 16th edition on site guide
 
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Old 13-06-2008   #3 (permalink)
PAUL M
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whats the max length then shakey.
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Old 15-06-2008   #4 (permalink)
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depends if its TNS, TNCS or TT supply, depends on installation method, depends on installaing to 16th or 17th (because of the voltage drop changes)

to be honest, with table 7.1 in the OSG you cant go far wrong

Do you want an answer to a specific question Paul?
 
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Old 15-06-2008   #5 (permalink)
PAUL M
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Quote:
Originally Posted by Shakey View Post
depends if its TNS, TNCS or TT supply, depends on installation method, depends on installaing to 16th or 17th (because of the voltage drop changes)

to be honest, with table 7.1 in the OSG you cant go far wrong

Do you want an answer to a specific question Paul?
no mate,my nic bloke asked me the question the other day on my annual assesment and i couldnt remember thats all ,i think its about 480 metres,might be wrong.
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Old 15-06-2008   #6 (permalink)
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wayy wrong
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Old 15-06-2008   #7 (permalink)
PAUL M
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well i have not checked it for myself yet wayne been busy with other things ,but my nic bloke said it was 480 metres thats why i asked shakey,now wheres that osg gone.
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Old 15-06-2008   #8 (permalink)
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hey paul from the osg ...32a mcb tncs type b ......84metres....
but wait for the new book they may give you an extra metre
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Old 15-06-2008   #9 (permalink)
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i thought it seemed high but the nic guy was very insistant so i thought it best not to p.ss him off by arguing with him over it.its not the sort of question you get asked very often in my experience anyway.
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Old 15-06-2008   #10 (permalink)
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hey paul from the osg ...32a mcb tncs type b ......84metres....
but wait for the new book they may give you an extra metre
i have the new figures in the NICEIC Domestic Installers guide

will stick them up here tommorrow

cant see it being much different to 84 m though

 
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