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commercial shower room lightting

Former Community Member over 5 years ago

I been asked to install new lights into 2 newly formed shower / changing rooms within an existing office floor which is being refurbished. Current set up is lighting busbar in ceiling void, LCMs plugged into busbar which then distribute to light fittings

Question is that the new shower room requires 30mA RCD protection, I've asked the designer to provide details of how to provide this protection but not yet had an answer. Lighting controls company also ignoring the issue.

Is protecting the whole busbar which may have several LCMs and tens of lights hanging off it a good idea, whole floor will have new LED modular lights fitted. Can I simply divert the LCM supply from the busbar through a 13 RCD FCU and make sure that only the fittings for the showerroom come off this LCM. I do realise that there is some issue in BS7671 not recognising RCD FCUs.

Would welcome any ideas or comments.

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0 Former Community Member over 5 years ago

Thanks for both replies, bit late in responding but can't seem to log on at work only on my laptop at home.

New lights are to be fitted to existing lighting LCM so can't perform any leak measurements beforehand unfortunately, might be able to get an enclosure built so I could mount an RCD DB.

I was thinking of the RCD FCU location, either on the wall just outside each door to the changing rooms labelled for use or local to the LCM as there is a FM team permanently on site, probably would depend on how often if ever it tripped.

Good to know Johno about the practical experience you've had on a similar set up.
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0 Former Community Member over 5 years ago

Thanks for both replies, bit late in responding but can't seem to log on at work only on my laptop at home.

New lights are to be fitted to existing lighting LCM so can't perform any leak measurements beforehand unfortunately, might be able to get an enclosure built so I could mount an RCD DB.

I was thinking of the RCD FCU location, either on the wall just outside each door to the changing rooms labelled for use or local to the LCM as there is a FM team permanently on site, probably would depend on how often if ever it tripped.

Good to know Johno about the practical experience you've had on a similar set up.
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commercial shower room lightting

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