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Forums › Home Workshop DIY › Is lighting cabling suitable for bathroom heat / light / fan unit?


Dangerous Chocolate
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Master Geek
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# 251588 2-Jul-2019 14:34
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Pretty much as the title suggests, I've just had an electrician fit a heat / light / fan unit to my bathroom, and he re-used the original 1mm light feed to power the whole lot.

 

To our resident sparkies (@aredwood?), does this sound acceptable, or should I query it further with the firm or an electrical inspector?

 

Cheers

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Ultimate Geek
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  # 2268529 2-Jul-2019 15:00
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Are you sure? He may have run a switch wire to the existing switch in 1.5. I would have thought a light / heat / fan unit would need 2.5 (not a sparky but do work for an electrical contractor)

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Ultimate Geek
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  # 2268533 2-Jul-2019 15:07
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Its allowed according to this page, 

 

"Heat, extraction and light units - May be wired directly into lighting circuits."

 

http://www.level.org.nz/energy/electrical-design/wiring/fixed-wiring-for-electrical-systems-and-appliances/

 

 

 

 

 
 
 
 


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Uber Geek
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  # 2268547 2-Jul-2019 15:15
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It's fine, 1mm2 is normally good for 10 amps - a heat/light/fan wouldn't use 2 amps. Not rough or cheap - it's normal



Dangerous Chocolate
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  # 2268558 2-Jul-2019 15:52
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Sweet, I'll rest easy, thanks team

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Ultimate Geek
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  # 2269048 3-Jul-2019 10:02
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If you're extending an existing circuit the important thing is the protection rating, not the load. For example, if the breaker has a 10A rating and the cable is in an insulated wall/ceiling then it really should be 1.5mm2. If the breaker is 6A then 1mm2 is good in all situations.




McLean

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