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Old 02-21-2018, 09:46 PM   #1
lati_cz
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wiring question

I am doing bath remodel with wall mounted vanity, client wants led strip on bottom with motion sensor. I've done few, but always wired by my electrician. He moved away, I don't want to look for/hire one on 10 min of wiring.
He always placed sensor in baseboard close to door.
I think it was hooked up on switch, so it could be turned off/on. I am ok to wired directly without switch, client wants to have it on all the time, or sensor with switch is ok.
I need to know what type of sensor I need, if I need driver, how to wire etc. Thank you. Michal
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Old 02-21-2018, 10:36 PM   #2
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The sensor replaces the switch. Use an occupancy sensor.

The current electrical code requires a neutral at all junction boxes to allow the use of sensors (as an energy saving) Therefore you need a hot/feed wire at the sensor junction box location. The occupancy sensor is normally placed at wall switch height.

The driver is in line after the switch.

My recommendation would be to install a dimmer after the motion / occupancy sensor. The dimmer can be anywhere from next to the sensor or in the toe kick or inside the cabinet.
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Old 02-21-2018, 10:52 PM   #3
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why do I need dimmer?
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Old 02-22-2018, 05:11 AM   #4
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It makes it easier to control the brightness for such a long stretch of light. Esp if it will be used as a nightlight for old men to pee at night. A 3 or 4 or 5 foot LED light will be pretty bright at night. Not so much during the day.
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Old 02-22-2018, 08:25 AM   #5
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makes sense.
Is there any reason, why my el. would placed sensor at baseboard height?

So the wiring is:
sensor in el. box (with other switch and bath fan) close to entrance to bath, 14/2 romex to dimmer in vanity, wire from dimmer to driver and led strip. Correct?
Could you post link to sensor?
Thank you!
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