Wiring PIR


Postby the2ems » Tue Feb 21, 2012 8:54 pm

I would like to fit a PIR in my brick out house to operate the lights. I'm never in there after dark for longer than it takes to grab what what I am after, so lights out after a few minutes is no problem.
Lights and power sockets are already in place. Do I just replace the light switch with the PIR? Or is there more to it than that?

Thanks
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Postby ericmark » Thu Feb 23, 2012 5:46 am

If you google "PIR Occupancy Light switch" you will find Denlers Wall PIR Occupancy Switch Wall Mounted PIR Switch two models one with a manual override off switch on the front of the plate. It states:-

Simply replaces existing wall switch - No Neutral wire is needed.
It fits into a plaster depth (16mm) wall box.

So does seem simple to change. Although never used one.
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Postby the2ems » Thu Feb 23, 2012 8:43 am

Thanks for that. I just looked at a 360° ceiling switch, which says not suitable for discharge lighting, but I don't really know what discharge lighting is.
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Postby the2ems » Thu Feb 23, 2012 9:34 pm

[quote="the2ems"]Thanks for that. I just looked at a 360° ceiling switch, which says not suitable for discharge lighting, but I don't really know what discharge lighting is.[/quote]


It's ok, I googled it.
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Postby ericmark » Thu Feb 23, 2012 11:39 pm

Florescent is discharge lighting. The label also covers sodium and metal halide which is why it's called discharge lighting.

The tungsten bulb and LED are not discharge lighting.
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