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I want to connect a wall switch and i have 2 wires but 4 places to stick them in. Which ones do i put in the wires?

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Assuming that you are planning to use the push in connectors then if you have four connections they are normally in two groups of two. Each group is connected to a single pole of the switch so you place one wire in either hole of each group.

If you get it wrong, it's not dangerous but you will not be able to use the switch to turn off the light. No big deal, cut off the power and try again.

Posted on Oct 04, 2009

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I have a intrermatic r8816p101c that some one removed need to put new one back dont know how i have 2 red wires coming from pump and to red wires coming of the wall witch has a on and off switch how do i...


You have Intermatic 240Volt sprinkler timer.
http://www.intermatic.com/~/media/files/intermatic/products/instructions/timers/r8816p101c%20-%20english.ashx

Timer relay has 4 wiring terminals: from left to right 1 2 3 4
Red wires from switch connect to terminals 1 and 3
Red wires to pump connect to terminals 2 and 4
Since circuit is 240Volt, red wires from switch can be connected in either order. Same with pump.

Rain sensor terminals don't have any wires, unless you but separate rain sensor.

Parts:
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#sprinkler

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1 Answer

I bought a Utilitech Self Adjusting In-Wall Timer #0192773. The Timer has 4 wires....a black wire...a red wire...a green wire...and a white wire. The switch that I am replacing has 2 black wires and a bare...


The reason there is 2 black in the wall is because a standard line breaking switch was used. Meaning the hot side of the light was the black wire once broken light goes off. You would hook the black from switch to black in wall and white from switch to other black in wall green is ground and red put wire nut on. Red is for a 2 switch system. Where one of two switches in same room controls same light. Its not needed. Take caution when doing this trun light on goto breaker box and flip breakers till you find the right one that powers that light. once lights off then do your thing replacing.

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Wiring heater, vent, light with 12/2 and 12/3 from switch to unit. email: lfranklin5@charter.net


I wish we had more information to go on here.

1) You have 2 cables to to the Heat-Vent-Light
One cable is 12-3 and 1 cable is 12-3

2) That's where it's gets fuzzy.
What color wires are on HentVentLight?
Is power at the ceiling box or at the wall box?
What other wires are inside the wall box?
What kind of switch are you installing?

3) With that number of wires, it sounds like power is at ceiling box.
Power would arrive at ceiling box on one cable that has a Hot-black and Neutral-white wire.

4) Start at wall box:
Let's suppose you are installing a wall device that has 3 individual switches, with one switch for each HentVentLight.
The Hot wire from ceiling box would drop down into wall box on a black wire, and this wire connects to brass screw on switch.
Wire going to heater connects to one of the silver screws.
Wire to fan to another silver screw
Wire to light to another silver screw.

5) Work at ceiling box:
Let's suppose your HentVentLight has 4 wires: Black for light, Red for fan, Blue for heater, and White Neutral.
The white neutral connects to Neutral wire as described in #3.
Black, Red and Blue connect to each of the wires that come up from switch.

Add a comment for more free help, and fill in the missing information.

Also take advantage of fixya phone service.
For a price, expert speaks with you over phone while you work on timer or any do-it-yourself project.
Fixya is always less expensive than a service call.

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1 Answer

I have a utilitech 7 day in wall digital timer and would like to install it but have no clue how to. can you get me started


You want to install Utilitec in-wall 7-day timer that has 4 wires: red, white, black and green.

You are replacing a single pole switch that controls a light or several lights.
There is not a second switch that controls same lights.

The switch has 3 wires.
Generally there are two insulated wires and a bare ground wire.
Add a comment any time.

Here's what to do:
I have tested these timers for wiring and programming.
Get started and instructions will make sense as you go.
Turn off circuit beaker to switch.
Remove old switch.

1) Timer-green-wire connects to bare ground wire using one of the yellow wire nuts included with timer. Put two wires together so they are even at ends. Put wire nut over wire ends. Rotate wire nut clockwise between fingers until very tight.

2) Switch has 2 insulated wires. Take switch wires and connect them to timer-black-wire and timer-red-wire using two more yellow wire nuts. Choose either one for now. You may have to reverse these two wires in a minute.

3) In back of electric box are white wires twisted together and covered with wire nut. Remove the wire nut, but do not untwist the white wires. Connect timer-white to these wires. Then put original wire nut back over white wires.

4) If electric box does not have white wires described in step 3, then connect timer-white to bare ground, along with timer-green wire.

5) Turn on electricity, and push ON-OFF button. If lights come on, timer is wired correctly. If lights do not come on, then reverse timer-red and timer-black wires from step 2.

If you need help programming 7-day Utilitec timer. Pages have bigger print:
http://waterheatertimer.org/Program-wire-Utilitec-0192773.html
http://waterheatertimer.org/Program-wire-Utilitec-0141224.html

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I've tested these timers.
Here's what to do:
1) Connect green to bare copper
2) Switch has 2 wires. For now, connect these two wires to timer-black and timer-red. Choose either one.
3) In back of wall box are white neutral wires twisted together and covered with wire nut. Timer-white wire connects to these white neutral wires. This action gives power to time clock.
4) If wall box does not have white neutrals described above, then connect timer-white to bare ground wire. Bare ground connects to neutral busbar in breaker box.
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It sounds like you put in ordinary wall switch.
You use the word 'pigtail' which implies electrical knowledge, so without a photo it's hard to tell where the switch is shorting the circuit.
You need a single-pole switch with 2 screws and a ground screw.
If you use a 3-way switch, your wires are connected to dark screw and one of the brass screw
You have 2 wires running between receptacle and disposal.
The wall switch interrupts one wire. Not both wires.
So one wire from receptacle runs continuously to disposal.
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Installing a 7 day digital wall timer


Swylite LST100 timer has 4 wires. Red, Blue, Black, White
Timer has more wires than wall switch because timer has electric clock inside. And with + series Swylite timer, it also has led bulb that needs power.

Timer can replace ordinary on-off switch
-On-off switch has 2 screws, so 2 wires (plus ground wire) connect to on-off switch
-Three of the four timer wires are used when replacing on-off switch
-Red wire is not used, it is capped off

Timer can replace 3-way switch
-Three way switch has 3 screws, so 3 wires (plus ground wire) connect to 3-way switch
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Lets replace on-off switch see diagram
Timer black goes to Hot wire
Timer blue goes to Load (light, fan, motor)
Timer white goes to Neutral
Timer red is capped off.

How to check which wire is Hot, Neutral and Load
Switch you are replacing has 2 wires > one is Hot, the other goes to Load
Remove these two wires. Separate wires so you can test. Turn on power. Tape tester leads to wood sticks so hands are away from power. Test each wire to bare copper wire.
When tester lights up >> that is Hot wire >> please connect this wire to Timer black wire
The other wire goes to Load >> please connect this wire to Timer blue wire.
Now test for Neutral. Test Hot wire to other wires inside box. Neutral should be white. When tester lights up, that is Neutral. Please connect Timer white wire to neutral. IF YOU DO NOT have a neutral, you can connect Timer white to bare ground wire until you have time to drop a Neutral into the box.

Replace a 3-way switch see diagram
Three-way switch has 3 wires.
Identify which wire connects to Dark screw on switch >> and then please connect this wire to Timer Black wire.
Timer white wire connects to Neutral
Timer blue and red wires connect to other two wires that came off switch ... they connect to either one.

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