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Topic Title: Domestic Smoke Alarm Circuit
Topic Summary: 1.00mm2 or 1.5mm2
Created On: 05 October 2017 09:22 AM
Status: Read Only
Linear : Threading : Single : Branch
 Domestic Smoke Alarm Circuit   - sdltn - 05 October 2017 09:22 AM  
 Domestic Smoke Alarm Circuit   - broadgage - 05 October 2017 09:30 AM  
 Domestic Smoke Alarm Circuit   - AJJewsbury - 05 October 2017 09:40 AM  
 Domestic Smoke Alarm Circuit   - sdltn - 05 October 2017 10:45 AM  
 Domestic Smoke Alarm Circuit   - WiredScience - 05 October 2017 12:12 PM  
 Domestic Smoke Alarm Circuit   - AncientMariner - 05 October 2017 07:01 PM  
 Domestic Smoke Alarm Circuit   - Zoomup - 07 October 2017 09:01 AM  
 Domestic Smoke Alarm Circuit   - geoffsd - 05 October 2017 07:15 PM  
 Domestic Smoke Alarm Circuit   - geoffsd - 07 October 2017 01:03 PM  
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 05 October 2017 09:22 AM
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sdltn

Posts: 7
Joined: 12 September 2017

Hi,

I am installing a circuit for smoke alarms in my new home and have a query over cable size if you can assist please?

The alarms will be mains powered and hard wire interlinked using 3 core and earth with them being the sole devices on the circuit i.e. no lighting etc

I had originally planned to use 1.00mm2 cable but having read about it a bit some interpret the regs as requiring 1.5mm2 for any power circuit other than lighting regardless of the current requirements.

Discussed here:

Link Removed theiet.org/Forums/forum/messageview.cfm?catid=205&threadid=52339&STARTPAGE=1&FTVAR_FORUMVIEWTMP=Linear

What are peoples thoughts on this?

Thanks,

Sam

P.S. I am aware this a new circuit and subject to part P notification. I have a friend who is a qualified electrician who is happy to certify for me after discussion and inspection at 1st and 2nd fix.
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