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We're trying to hook up a bathroom light/fan combo to replace a separate fan unit. We have 2 switches; one was for the fan and the other for the laundry room light. The power comes in from the laundry room light. We want to have the 2 lights (laundry room light and fan light) work off one switch and the fan work off the other switch. There is 14/2 wire that is currently is place.
Unfortunately if the wall switch box only has 14-2, you will only be able to control the light-vent combo in parallel. 14-3 will be required from that switch. Now if the other switch is in the same area, then some wall fishing may be possible if they are in the same bay. Otherwise, invasive wall opening for routing if you do not have an overhead or crawlspace access. If you do then lets continue on this subject. Nm:)Quote:
Originally Posted by Timber29
Since you already have two switches, one for the fan, and one for the one laundry light, all you need to do is run a #14-2 cable from the laundry light to the new fan/light.
In the fan light you will find two 2 wire receptacles, the existing 2 wire cable that fed the existing fan can connect to one receptacle, and the new 2 wire cable from the laundry light can connect to the other receptacle.
Just note which receptacle in the fan/light is which, so you can be sure to use the correct one for the fan and one for the light. One receptacle is usually black and the other white, so you can keep track after you make your splices, and close up the junction box.
Be sure to only connect each 2 wire cable to each receptacle, do not splice any other whites or blacks together at the fan/light, so that each receptacle is dedicated.
Fishing wires is not an issue as this is a basement bathroom with no closed walls. The 2 switches I spoke of are next to each other and again the power is coming from the laundry room light, not from the switch. So do I need to run 3 wire from the switch to the fan/light AND in between the fan/light and laundry room light?
After reading the original post again, I am sorry for giving such a complex answer when a simple question should have been asked.
Is there access to where another cable can be fished between the existing ceiling outlets?
It's all open ceiling as well so that's not a problem either.Quote:
Originally Posted by nmwirez
Just follow tkrussel's answer. You had a switch that ran the old fan. Connect the new fan to the old fan's wiring. The other switch worked the laundry light. Add a 14-2, 12-2 if a 20 amp breaker, between the 2 lights. GFCI?
Quote:
Originally Posted by Timber29
Didn't see you posting while I was typing my last replay. Answer is simple.
New cable= purple... Old cable =red... Old to New cable= Green
! Run a second 14-2 between the new fan/light combo to the other light.
2. Hook up both lights in parallel using the old fan connection to the new light in the new fan /light combo.
3. Connect up the new cable parallel to the original branch circuit power light hookup. blk-blk, wh-wh, bare to bare for grounding.
4. Connect the fan neutral with grounding to the new 14-2, wh-wh, bare-bare or green.
5. Connect the switch leg from the wall to the fan circuit and the new cable. blk-blk, and wh(wall switch)-blk or red (fan)
I hope no one is color challenged. If so, the instructions stand alone.
The original 14-2 wiring between the outlets can be replaced with 14-3 w/gnd to simplify wiring and eliminate the parallel neutral.
nm:)
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