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I want to replace our old carling toggle switch to a new timer switch for an attic fan. I have 2 black wires and one red. My new switch has one black one red and one green wire.....what do I do?

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Is the fan 2-speed?
Old switch has 2 black and 1 red... sounds like 2-speed.
One black is probably Hot, and other black and red go to each speed??
Choose 1 speed and wire timer as follows:
http://waterheatertimer.org/How-to-wire-timers.html
Add a comment with more details about the timer you are using, and include if fan is 2-speed and what each wire tests.

Posted on Jul 30, 2013

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Posted on Jan 02, 2017

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SOURCE: how to connect light switch

Nope, you have the wrong type of switch. The old one is what is called a 3-way switch. You need to purchase a replacement 3-way. The switch you currently have is a standard on/off switch and can not be used in that situation.

Dan

Posted on Dec 31, 2008

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SOURCE: 2-wire pull chain switch wiring in a ceiling fan light kit

If you removed a switch there should be two wires. Connect one of the wires to each of the switch wires or screws. good luck

Posted on Jan 22, 2009

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SOURCE: I'm using a Leviton 1755 combo 3 switch for a bath

remove white switch one and connect to incoming white ground--all whites should be connected [hooked] together these are grounds-- switch 1 black from fan ,leave switch 2 red from fan ,switch 3 vanity black

Posted on Feb 22, 2010

  • 351 Answers

SOURCE: Replacing a pull chain 3-way ceiling fan light switch

OK .. the thick black and white are the power for the fan , are there also white wires on the lamp sockets ..??
The thick black wire should connect to the black wire on the switch.
The small black wires connect to the red and blue wire on the switch .. two small black wires each .. that should give you a position for 2 lights , and 4 lights, on the step switch .. but there should be white wires from the lamp sockets connected to the thick white from the fan .

please respond .

Please Vote !!

Posted on May 25, 2010

Testimonial: "I appreciate the response, which reinforced my thought process and it worked - Thanks!"

SOURCE: I am replacing an old intermatic model EJ341

GE 15086 is a 7-day programmable timer. It has more wires than spring-wound timer because clock motor runs on 120V circuit, just like ordinary electric clock. The clock on spring wound timer operated by a spring.
f7d4104.jpg


If I understand correctly, the old timer has 2 wires. One of these wires is the Hot wire ... and that wire will connect to GE timer black wire.
The other wire from old timer goes to Load ... and that wire will go to GE timer red wire.

Instructions on a lot of these timers say, it timer doesn't work, then reverse the two wires described above ... this is because timer only works when Timer black connects to Hot.

You can also turn on power and test each wire that came off old switch to bare ground wire. When tester lights up, that is Hot wire.

GE timer Green wire connects to bare ground wire.

Moving on to GE timer white wire. This wire is necessary for the clock to run. This wire connects to Neutral wire which is usually white. You can test for Neutral by testing Hot wire to each white wire in box ... when tester comes on, that is Neutral.

If you do not have a white Neutral wire, then connect GE timer white wire to bare ground wire. This is not code, but it will work fine until you hire electrician to run Neutral into box.

Posted on Oct 04, 2010

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1 Answer

Wiring problem


11-1-12
Thanks for link to manual.
Solution might take more response for full clarity, and you seem a good electrician.
I have numbered two questions that may be unimportant.
Add a comment, response after 5 pm CST

Here is illustration showing Black Hot and White Neutral in attic junction box, as you described. With black-red-blue wires connected as shown in Broan manual. And each device connected to White neutral wire in junction box.
http://waterheatertimer.org/images/Triple-fan-light-night-light.jpg

You have access to attic, and can drop another cable down wall into switch box. This will give necessary total 4 wires between switch and Broan
http://waterheatertimer.org/OWB1.html

Key start point: Junction box in attic has the Black Hot wire and White neutral coming from circuit breaker box.
This cable powers the junction box.

There are 3 cables in junction box, each cable with black and white.
Cable from breaker box with Hot and Neutral. Cable going to light switch.
Another cable jumps power to next box in the circuit, and will be reconnected when finished, black-to-black white-to-white

Old light switch in wall was single pole.
1) How many cables are inside switch box? Just one cable from attic with black and white wire?
2) 3-way switch is the wrong switch, unless you mean 3-pole triple switch with 3 screw terminals on one side of device?

Here is another link that shows wiring choices if you decide to use 3 separate switches (or timers or occupancy sensor to turn on night light) instead of triple switch: Install triple box.
http://waterheatertimer.org/How-to-wire-switches.html#4-f

Oct 31, 2012 | Broan-NuTone Dryers

3 Answers

I have a 3 speed fan with a red, blue, black an white wires, how are the supposed to be wired with power. the wires go to a little black box that appears to just be wires with no circuit board


The BOX is a GE splicer - with 6 wires - 2 grey power wires, then the red, blue, black, and white from the fan motor. I have the same problem and cannot find another GE SPLICER 3 SPEED SWITCH for the fan. All switches that I have tried have 4 connections.........so a WIRING DIAGRAM would be GREAT!

Can anyone offer any help? I have tried every electrical store in the area!

Thanks

May 29, 2011 | Patton U2-1887HO Floor / Box Fan

2 Answers

I'm trying to install this Woods 59008 automatic fan timer in the bathroom. My old on/off switch only has three wires....and I that a light switch next to that. The woods 59008 has a red, black, white...


Sure George.

These in-wall timers have extra wire to operate the electronics located inside timer.
You said your old switch has 3 wires.
The new timer can only replace on-off switch that has 2 brass screws and a green screw.
If old switch has 2 brass screws and a dark screw, that is a 3-way switch.
Typically a 3-way switch is found at both ends of hallway.
The Woods 95008 countdown timer is not made to replace 3-way:
http://waterheatertimer.org/Woods-timers-and-manuals.html#59000

Here's what to do:
1) Switch has 2 wires (plus bare ground wire). Take switch wires and connect them to timer-black-wire and timer-red-wire. Choose either one for now.
2) In back of electric box are white wires twisted together and covered with wire nut. Connect timer-white to these wires. This wire will power timer electronics.
3) If electric box does not have white wires described above, then connect timer-white to bare ground, along with timer-green wire.
4) Turn on electricity, and push override button located below the OFF button. If lights come on, timer is wired correctly. If lights do not come on, then reverse timer-red and timer-black wires.

Add a comment if your need more assistance.

Dec 22, 2010 | Woods Ind 59008 Digital Timer

1 Answer

New switch GE model 15265 ... to light up 2 lightbulbs outside. Old switch all cables are black. Those who light up the tester are the hot=Red/black?? Those which do not light up are white?? Green I know...


Manual for GE 15265
http://waterheatertimer.org/pdf/GE-15265-manual.pdf
15A timer works fine on two bulbs, up to 1440 total watts.

If old switch has 2 screws plus green ground screw, then timer is right.
If old switch has 3 screws plus green ground screw, 15265 doesn't replace 3-way switch.

Timer-green wire connects to bare ground wire

Old switch has 2 screws with wires on each.
One wire is Hot-from breaker and this connects to timer-black wire.
One wire Goes-to-lights and this connects to timer-red wire.
If you get these two wires reversed, timer will not work, so reverse them.
It will not blow circuit if the timer-red and timer-black wires are reversed.

Timer-White wire is the confusing wire for everybody:
Timer-white wire runs clock motor located inside timer.
In back of electric box are neutral white wires that are twisted together and covered with wire nut.
Connect timer-white to these neutral wires.
If box does not have neutral white wires, connect timer-white to bare ground wire.

geno_3245_61.jpg

Nov 13, 2010 | Intermatic Inc. EJ500C Digital Wall Switch...

1 Answer

I am trying to replace an old spring loaded attic fan timer. The old time simply had a black line in and a black line out. There was both a white and red line capped off in the box along with a bare...


The timer is wired differently than the old spring-loaded timer.
This is because the timer has an electronic clock instead of a spring.
The electronic clock needs power just like an alarm clock.
The white wire powers the clock.

Here's the wiring.
Black-timer wire connects to Hot-wire-from-breaker
Red-timer connects to Load (attic fan)
White-timer connects to white Neutral
In absence of a Neutral, connect white-timer to bare ground.

If you have your black-timer and red-timer wires reversed, it might cause the symptoms you describe.
Simply reverse the black-timer and red-timer.

If you want to test your wires to make certain:
Remove timer.
Separate wires for testing.
Turn on power.
Use ordinary tester.
Tape tester leads to wood sticks to keep hands away.
Power is ON.
Test each wire to bare ground wire.
When tester lights up, that is hot-wire-from-breaker.
Now test hot-wire to each of the other wires (except ground)
When tester lights up, that is Neutral
Not every switch box will has a Neutral
In that case white-timer connects to ground

Nov 08, 2010 | GE 60minute Automatic ShutOff Timer Switch...

1 Answer

How to wire to attic fan? Old Sping loaded timer has two wire connections Marked LINE and LOAD . There are two Romex- Three wire cables with Black , White (Common) and bare (Grd) wires coming into this box...


OK, your new switch will require the use of a neutral wire. So you will have to do what is called a pigtail. You will have to twist another white wire in with your other white wires to attach your neutrals to your switch. Note: white wires are called neutral not common. Hook the wires that were originally hooked up to your LINE to your HOT (Black) on your new timer, and the what was originally LOAD up to the new timer LOAD. SO as far as wiring all that will change is your white wires that need to attach to your timer NEUTRAL.

Jul 10, 2010 | GE 60minute Automatic ShutOff Timer Switch...

1 Answer

OLD wall timer Model E1020 ticks really loud


You probably can't get the existing mechanical timer to operate any quietier, since it's old and likely starting to wear out. You can either swap the timer out for a new automatic digital timer, or install a standard single pole switch in its' place.

I believe the code you refer to regarding the fan having to be wired onto a timer switch was a local requirement from many years ago.

Some local jurisdictions have impossed more stringent requirements, but frankly, having an exhaust fan is normally a good idea. If the fan is vented into the attic space, it can cause some serious problems in cold weather with condesation of the warm, moist exhaust air.

Building Code requires that bath fans be piped/vented to the outside of the house and not into the attic space.

There are newer preset timer switches that will turn on the exhaust fan for a fixed amount of time, based on which button you push. These are great as they will run the fan long enough to remove condensation from showers, etc.

If you're going to replace the timer, disconnect or turn off the breaker or power to the switch. Then simply install a new timer or switch by connecting the black supply wire to the bottom of the single pole switch, or to one of the black leads of the timer. Then connect the black wire going to the fan to the top screw on the single pole switch, or the other lead on the new timer. The white (neutral) wires should already be connected with a wire nut inside the box. Connect the ground wire to the ground wire in the box and if the switch box is metal, attach the ground wire to the box with a green grounding screw too.

You can now operate the fan with either a manual on/off switch or the new digital timer, whichever you chose to install.

Sep 04, 2009 | Heavy Duty Intermatic Wall Switch Timer...

1 Answer

Attic fan motor replacement


It sounds like you are replacing a two speed motor with a single speed. Check the side of the old motor and see if it has high and low speed wiring schematics. If so you need to replace with same model number. Good luck!

Jul 05, 2009 | Heating & Cooling

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