How to wire/replace this bathroom light switch?

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Hary

Last Updated March 12, 2016 07:09 AM

I have a motion sensor switch controlling bathroom light and a single pole switch controlling exhaust fan in the same box. I want to replace the motion sensor switch with a single pole switch. Below is a link to the picture that shows how the wiring looks like in the box:

Basically, I have total 3 entry/exit points. White wires on all 3 are connected together.
Ground wires on all 3 are connected together.
Black wire from entry point 1 goes to a splitter input.At the output of splitter 1 black wire goes to a wire connector where the black wire from motion switch is connected. 2nd output of splitter is a black wire that goes to the bottom screw on single pole switch.
There is a red wire that goes to a wire connector where the black wire from entry/exit point 2 is connected.
The top screw on single pole switch is connected to a black wire that goes to the exit point 3.

So, now I want...

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I have a motion sensor switch controlling bathroom light and a single pole switch controlling exhaust fan in the same box. I want to replace the motion sensor switch with a single pole switch. Below is a link to the picture that shows how the wiring looks like in the box:

Basically, I have total 3 entry/exit points. White wires on all 3 are connected together.
Ground wires on all 3 are connected together.
Black wire from entry point 1 goes to a splitter input.At the output of splitter 1 black wire goes to a wire connector where the black wire from motion switch is connected. 2nd output of splitter is a black wire that goes to the bottom screw on single pole switch.
There is a red wire that goes to a wire connector where the black wire from entry/exit point 2 is connected.
The top screw on single pole switch is connected to a black wire that goes to the exit point 3.

So, now I want to replace the motion switch with single pole switch. How do...

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Changing your light switch is a very simple process. You will be saving money and adding functionality back to the most needed switch in the house.

Turn off the main electricity to the entire house at the breaker.

Take off the faceplate from the switches by unscrewing the middle screw on the faceplate.

Unscrew the switches by turning the screws on each end of the switch counter-clockwise.

Pull the switches out of the conduit box. Mark the wires to know which one is for the fan and which one is for the light.

Unscrew the wires and remove them from the switches by turning the screws on the side of the switches counter-clockwise.

Match the wire color to the screw label that is marked on the switch: Black to the screw labeled black, and white to the screw labeled white. The bare copper wire will screw into the green screw that is on the metal housing of the switch.

Screw the switches tightly into the conduit box once connected...

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Three Parts:Removing Old SwitchesInstalling a Double SwitchTroubleshootingCommunity Q&A

A double-switch allows you to operate two lights or appliances from the same location. Double switches, sometimes called "double pole," allow you to separately control the power being sent to multiple places from the same switch. For example, you might want to turn on a bathroom light separately from the ceiling fan. To wire a double switch, you'll need to cut the power, remove the old switch, then feed and connect the wires into the double switch fixture. Though it is not difficult to wire a double switch, careful attention to safety is crucial to prevent injury.

Note: This article only describes installing the switch itself, not rewiring two conjoined feeds that need to be separated. If you are trying to separate two lights that use the same wiring, as opposed to two already separate sources, you will likely need a trained...

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If a light switch fails to function, it should be replaced. Most modern switches have screw terminals on each side and may also have holes in the back to accept the end of the wire. Although plug-in connections may be more convenient, they are less reliable than those with screw terminals, so don’t use them!

You can easily loosen the screws on the side of the device with a standard screwdriver (turning counterclockwise), but you may find getting the wires out of the back of the device tricky. To remove these wires, insert the blade of a small screwdriver into the slot under the hole into which the wire is inserted and push in as you pull the wire loose. Pushing the blade of the screwdriver into the slot releases the grip on the inserted wire. Here are descriptions of the wires and where they go:

If the switch has On and Off embossed on its body and it’s the only switch that controls lights or receptacles, it’s a single-pole switch. To replace this kind of switch,...

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Photo: fotosearch.com

Thanks to the simplicity of their design and function, light switches seem to last pretty much forever despite daily use. Indeed, most of us rarely give a second thought to these humble, hardworking components, but there are certainly instances when you’ll want to replace them. Perhaps you just want a better-looking or more functional switch, or maybe the switch is acting up, either emitting sparks or making a popping noise. Whatever your reason for researching how to replace a light switch, you may be to call in an electrician. After all, as with any home repair that involves electricity, it’s always wise to err on the side of caution. Yet, so long as you observe basic safety measures, you can probably replace a light switch on your own, saving the hassle and expense of hiring a professional. Chances are that your toolbox already contains the necessary tools, so aside from a new switch and the following instructions, you need only a spare hour to...

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Splitting a wire from the light switch to another switch in your bathroom requires basic electrical wiring knowledge. You can add a new switch using your original switch as the power supply to any room in your home, provided you do not exceed the electrical wattage supplied by the breaker. A 15-amp breaker installed on a 120-volt circuit provides you with 1,800 watts (amps times volts equals watts). Add up all the watts on your circuit to confirm you can add a switch and fixture to your power supply.

Things you need

Phillips or slotted screwdriver

Multimeter

12/2 nonmetallic (NM) electrical cable

Dual NM wire cutter/stripper

Red wire connector

Turn the breaker off at the main service panel to disconnect the electricity to the original light switch.

Remove the switch cover plate to reach the wires inside the electrical switch box. Turn a multimeter dial to the 250 alternating current (AC) setting. Touch one prong from the...

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Wall-mounted light switch fittings (known as 'plate switches') can contain one, two, three or even more individual switches (or 'gangs') that let you control a number of separate light fittings from one place. You can also get versions that give you two- and multi-way switching which allow you to control lights using two or more different switches, for example in a hallway.

There's a huge range of fittings available - from functional plastic to stylish metallic finishes. Dimmers let you to raise and lower the light level - and may have a combined or separate on/off and dimming control, so you don't have to readjust the light level every time you turn on the light. They're wired in much the same way as a standard switch.

Switches generally need a 16mm-deep mounting box - although some dimmers may need deeper boxes. Where your space is limited, or if you want a switch to be unobtrusive, you can fit narrow architrave switches into your door frames.

Building...

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Wiring a three way light switch

Wiring of 3-way light switches is certainly more complicated than that of the more common single-pole switch, but you can figure it out if you follow our either of our 3-way switch wiring diagram. With a pair of 3-way switches, either switch can make or break the connection that completes the circuit to the light. The whole wiring a light switch project can be completed in a few hours if you don’t have to do any drywall removal and repair. Keep reading the 3 way switch wiring diagram to learn light switch wiring.

Directions:

To add the switch, you’ll use one of two wiring a light switch diagrams, depending on whether the power comes to your light switch first (the most common situation) or to the light fixture first. Either way, complete these five steps for 3 way light switch wiring:

Turn off the correct circuit at your electrical panel. Add an electrical box for the second three-way switch in the basement. It’s likely...
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I've been attempting to solve this myself by reading the diagrams included with the bathroom fan/light/night light combo and for the switch... but none of those diagrams helped me.

I'll include pictures at the bottom to make it easier understand what's going on over here... heh

I bought a bathroom fan/light/night light combo unit, due to our old bathroom fan/light sounding like a lawnmower. I haven't attempted to replace the unit just yet... I'm stuck on replacing the switch. I had two three-way(?) switches on the wall. One for the light (left) and one for the fan (right). I bought a double switch (has two switches in place of one) to replace the one for the light, so that I can turn on regular light or night light.

The original setup for the fan switch:

Red wire goes to the bottom hole (not sure what it's called). Black shared wire goes into the top hole. Shared ground wire goes onto the green screw. Two yellow screws on the right are unused...

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Replacing bathroom light fixtures is nearly identical to replacing or installing a light in any other room. The biggest differences are the positioning and decorative features. The vast majority of bathroom light fixtures have 3 wires with which to connect to a circuit. Before you set about replacing the fixture, make sure you know how much weight you will be placing on the wall or ceiling. Anything more than 50-pounds requires supplemental support. Do not overload the circuit when you connect the new fixture.

Step 1 - Remove Current Fixture

Turn off the power to the circuit. There may be screws visible, or you may have to pop or pry off a cover. Remove the glass bulb covers and bulbs first, then remove the rest of the fixture so that the wiring is exposed.

Step 2 - Test the Circuit

Use the voltage tester to make sure that the power to the circuit is not flowing. Hold the tester against the hot wire to get an indication. If a light comes on, power is...

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Larger image

1 switch and 2 lights


Larger image
Review: Basic 120V and 240V wiring

120Volt circuit requires 2 wires to complete circuit
120Volt requires Hot and Neutral
When installing a switch, the Hot wire is cut, and switch installed.
Switches always turn the Hot wire on-off.

Neutral wires are never connected to switch
Only the hot wire is turned on-off. The neutral is always continuous between Load and breaker box

240Volt circuit also requires 2 wires to complete circuit
240Volt requires Hot1 and Hot2.
No Neutral wire is involved in 240Volt circuit
Read more
240Volt circuit can be turned on-off by cutting power to either Hot1 or Hot2
Double-pole Switches can turn both Hot wires on-off.

Resources:
Electricity from pole to breaker box
How to replace circuit breaker
How to select wire size and breaker size
Maximum 12 boxes per 120volt circuit

3-way switches - ...
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Sometimes you need to wire a bathroom fan and light on one switch. Code often requires a fan in bathrooms these days, but you may only have one switch. Or maybe you have two switches but just want one switch to run both. Fortunately it’s easy to do. Here’s how.

This kind of arrangement isn’t a bad idea anyway. It’s safe to assume if someone is in the bathroom, the light is on. And running the fan is the best way to keep mold from growing in the bathroom. Condensation from hot water causes mold, but the water won’t condense if the fan pulls the vapor out.

Wire a bathroom fan and light on one switch when you have two switches

If you already have lights and a fan on two switches, simply label the wires off each switch, remove them from the switches, and remove the light switches. Tie the equivalent wires together with wire nuts while adding a new length of wire long enough to reach the switch you want active. This new wire is called a pigtail. Get a new 20-amp...

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Since the company's founding in 1904, Lightolier fixtures and parts have earned a reputation for design excellence. The Lightolier name is derived from a contraction of the words "light" and "chandelier" but the company's design innovations range far and wide. Lightolier introduced the first track system in the 1960s, first digital dimmer in 1986, and has made an ongoing commitment to energy smart lighting.

Today, Lightolier is synonymous with top quality recessed lighting and track fixtures. Our selection includes everything you'll need to bring a professionally designed look into your home. From track lighting systems, recessed housings and trim, to a range of dimmer switches, Lightolier products are a top choice for customers in the market for high quality lighting...

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