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Topic Title: Domestic Fire Alarm Wiring Topic Summary: On 2 circuits Created On: 17 January 2013 04:28 PM Status: Post and Reply |
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 17 January 2013 04:28 PM
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I have come across a domestic installlation where the smoke detectors are wired on 2 circuits with a single signal cable linking them. I cant find a reg to say this is wrong. It does not seem correct to me. Any one got any thoughts.
Ohmer |
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17 January 2013 04:47 PM
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I wouldn't have done it. Usually the link cable is referenced to neutral so there is a good chance of a borrowed neutral between the two circuits
Stu |
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17 January 2013 08:13 PM
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I did not carry out this work, but also feel it is wrong. I need to find a regulation so that I can rectify this. Any reg I can use??
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17 January 2013 08:48 PM
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ohmer,
It will contravene 134.1.1 if not installed in accordance with the manufacturers instructions. |
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17 January 2013 10:52 PM
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I won't comply with BS5839 part 6, clause 15.5 (b)
Power supplies for Grade D systems NOTE This recommendation does not apply if the form of interconnection is not capable of conducting current, e.g. if the means of interconnection comprises radio communication rather than wiring. |
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17 January 2013 10:55 PM
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I'd go for a contravention of 314.4 (second sentence).
- Andy. |
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17 January 2013 11:04 PM
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a easy fix would be to fit two radio smokes,
------------------------- Dougie Power Plus Electrical.co.uk My mission is to live as long as possible......so far so good! |
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Domestic Fire Alarm Wiring
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