Replacing a dimmer switch with normal light switch (picture)


The simplest thing to do is to turn the breaker on and figure out which black wire is supplying the current. (This is arguably one of the more dangerous approaches, but it is safe if you follow precautions like have someone guarding the wires so they are not touched while the power is on.) Use a multimeter and test the voltage between the ground wire and every other wire. Exactly one black wire should have 120 volts on it.

If not, stop and report back here.

Once you identify which black wire is hot, turn the breaker off.

Then wire nut all of the whites together. Wire the "hot" black wire you identified to one other black wire. Turn the breaker on. Note if the ceiling light came on. If not, turn the breaker off, hook up the other black wire to the hot black wire and turn the breaker on. Note if the ceiling light came on. Turn off the breaker.

Now you know: 1. which black wire is the "hot" wire, and 2. which black wire goes to the ceiling fixture, and 3....

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Replacing a standard single-pole or three-way switch with a dimmer switch is no different than replacing a standard switch. Remember: Dimmer switches don’t work on most fluorescent fixtures, and low-voltage lighting requires special low-voltage dimmers.

Check the rating of the dimmer switch you purchase. Most dimmer switches can handle 600 watts of power. Count the number of light bulbs that the switch controls and add up the maximum wattage bulb allowed for the fixture. For example, if the switch controls a light fixture which accommodates up to two 100-watt bulbs (200 watts total) a 600-watt dimmer will have no problem, but a string of seven recessed lights could overload the dimmer.

To replace a standard switch with a dimmer switch, follow these steps:

Turn off the power to the switch at the circuit or fuse panel.

Unscrew and remove the switch plate; then use a voltage tester to make sure that the circuit is dead.

Unscrew the switch from...

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One of the best ways to help set a romantic or relaxing atmosphere in any room is to dim the lights, use softer lighting. Unfortunately, while many homes may have a dimmer switch or knob for the lighting in one room, they are not usually found in all of the rooms, or it may not be in the room that you want it to be in. So how does the home electrician go about replacing a light switch with a dimmer? Luckily, this is a fairly easy electrical job, and one that you can do yourself without having to resort to calling in a professional electrician to accomplish.

Begin by gathering together all of the equipment and materials that you are going to need. For this job you need to get a set of screwdrivers, masking tape, pliers, colored markers, three wire nuts and a dimmer switch. If you do not have these items, you can purchase them at any local home improvement store. Once you have all the items together, you are ready to begin replacing that old light switch with your new...

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Electricity is dangerous and can be hazardous. In doubt? Call a qualified electrician.

Replacing a one-way light switch with a dimmer switch


First switch off the mains supply at the consumer unit and remove the fuse for the circuit you are working on. Undo the two fixing screws on the switch and pull out the switch from the mounting box. The existing light switch should have two terminals only. If it has three - one at the top and two at the bottom, then it is a two way switch.

Unscrew the terminals and remove the conductors from the original switch. Replace the conductors in the new dimmer switch in the same positions as the old switch. Ensure the terminals are tight. If the dimmer switch is metal e.g. brass or chrome, then it should have an earth terminal on the metal case. This should be connected with a short length of earth wire to the earth on the mounting box inside the switch.


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The first thing you will have to do is ensure that the light bulbs you are planning to dim can be dimmed. All incandescent light bulbs can be dimmed by a regular dimmer switch. But, if you have switched over to the more energy efficient fluorescent light bulbs, then you will have to pick up a dimmer switch that specifically has the ability to dim fluorescent light bulbs.

Turn the light switch that you are planning on removing ON. When the light goes out, it will help you know that you have found the right breaker.

Turn the breaker that is delivering the electricity to the circuit OFF. If the breakers are not labeled, then it will help if you have someone who can stand in the room and yell to you when the light goes out.

If you are working by yourself, then you will have to go back and forth between the room you are working in and the circuit panel to determine if you found the right breaker.

If the room is totally dark, bring a lamp and plug it in to...

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Step 1: Gather tools and turn off the power to the switch

Photo 1: Check for hot wires

Turn off the power at the main circuit panel. Hold the tip of a non-contact voltage detector near each screw terminal to be sure the power is off. Then unscrew the switch and pull it from the box.

It doesn't take long to replace an ordinary light switch with a full-feature dimmer. But while you're at it, to make your home safer, you should upgrade the wiring to meet the latest requirements of the National Electrical Code. Our step-by-step instructions will show you how to install the dimmer, concentrating on details that will guarantee a safe installation.

The tools you'll need are inexpensive and will come in handy for all your electrical projects. You'll need a screwdriver, wire stripper, inexpensive voltage tester and needle-nose pliers to install a dimmer.

To begin, turn off the power and double-check for hot wires in the box. Turn on the light and have a...

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Dimmer Switch To Single Pole Light Switch Replacement Guide
How to replace a dimmer light switch with a standard single pole on/off electrical switch in order to use CFL light bulbs.

Warning - Do not touch any electrical outlet, switch or wire unless you are absolutely sure that the power has been turned off at the home's breaker box. If you have any doubts or concerns, consult a professional licensed electrician.
Bathroom Dimmer Switch
Single Pole On/Off Switch
Turn Off Power!
Remove Wall Plate
Light Switches Exposed
Unscrew Dimmer Switch The first step is to turn off the power at the home's breaker box. Do not proceed unless you are 100% sure that the power has been disconnected or you risk being electrocuted which may cause severe injury or death.

Test the dimmer switch that you'd like to replace to be sure that it no longer has power. Then use a screwdriver to remove the...

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Dimmer Switch TIPS

DEAR TIM: I would like to install several dimmer switches to control light output. Do I need special wiring to accomplish this?

Older dimmers I have used scared me because the switch is very warm to the touch when they operate. Are these things a fire hazard?

Are there specialty dimmers for individual lamps or fixtures?

Are there some lights that do NOT WORK with dimmers? Jo Anne C., Edison, NJ

DEAR JO ANNE: Light dimming switches are not only very safe, but the variety of sleek and efficient dimmers you can purchase today is outstanding.

Fire Hazard Is Real

In my opinion, the only fire hazard you might introduce to your home while installing one would be failure, on your part, of reading and following any enclosed instructions. I have installed dimmer switches for years and not one has ever caused an electrical fire.

The most common fire caused by dimmer switches is putting too much power through them....

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Dimmer is a device which allows you to smoothly adjust the voltage at the load. It is mainly used to regulate the voltage (brightness) to the incandescent and halogen lamps. Personally, I already had to deal with dimmers for fluorescent lamps, are already on sale.

Besides adjusting the brightness of the burning lamps, the dimmer saves energy and extends the life of incandescent and halogen lamps. Read about it in the article about the causes of the rapid burnout of incandescent bulbs.

According to the method of control there are several types of dimmers:

rotary (mechanical) touch, push-button (e) acoustic (controlled by sound: cotton, voice) remote (controlled with the remote control by radio frequency or IR link)

How to install dimmer switch single pole

Generally this is the simplest and most common type of dimmer. It consists of a rotary knob (that’s why it was called “turning”), which changes the resistance value of the built-in...

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I moved into a new house, The original owner was a British. Outlets and switches In a system of all England.

Electrical system of the UK is 230V 50Hz.

My wife did not like the warm white applicable to the general dimmer.
Because it takes a keen eye and high power. With Incandescent size 60Wx4 = 240 watts ever.

How to changing dimmer to normal switch

I modified to remove the old system out, and put the new switch instead. And Change is the cool day light lamp that saving over several times.

We can replace them directly.

The Dimmer switch panel look old, as opposed to the new switch panel as

Figure 1 the old dimmer

Figure 2 compare it with the new switch

Figure 3 Remove the old dimmer

Figure 4 all parts of old dimmer

Figure 5 inside the old dimmer and the behavior of the Dimmer is just 2 terminal only.

Figure 6 My son check the connector of new...

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Once the wires are attached, you can gently fold any excess wire and compress the dimmer into the electrical box. Move slowly to ensure the wires don’t loosen or break if you have to force the switch into position. Tighten the screws to secure the switch to the box, and fit the switch plate. You will find that tightening or loosening the switch screws in the box by a few small twists makes a difference with how well the plate fits over the box. Once the cover is in place, turn the breaker or fuse back on, and check your handiwork!

Not all light bulbs are intended for use with dimmer switches – the wrong combination can damage the bulb as well as the dimmer electronics. The bulb's packaging will usually indicate if it is dimmable....

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You can't fit a dimmer to control fluorescent lights or low energy bulbs. It just won't work.

Dimmers are just switches with an additional controller which reduces the voltage to the light as you turn the knob so making it dimmer.

How to change a dimmer switch
Dimmers look slightly different to standard switches being much more chunky. They usually come supplied with a common(C), Line out(L1) and Line out(L2) terminals similarly to a two way switch. Sometimes all three terminals are in a row.
If you are doing one way switching(ie switching from one location only) simply ignore the L2 terminal and use the Common and L1

An important consideration is that dimmers have a power rating and can only be used to switch a limited number of lights. Count up the lights the dimmer is switching and find out the wattage for each bulb. Add this all to get a total wattage. You'll need a dimmer with at least that or greater. If it's less than the dimmer may work...

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Hi, I'm James, with JNC Home Repair. Today, I'm going to show you how to replace a dimmer switch. First thing you want to do,is if you're having a problem with your dimmer switch. If the light is not dimming when you turn the *** on, or if it's flickering, or something like that. You probably need to just go ahead and replace the switch, or at least check for a loose connection. The first thing you want to do, is you want to remove the ***, and the *** actually just pulls right off of the switch, and you'll be left with just a little bitty dial, that turns back and forth. Once you've got the *** removed, there's two screws that hold the actual trim plate on. You're going to need a flat head screwdriver to remove those two screws. After you remove those two screws, you're going to pull the trim plate off, and you're going to see the exposed switch, as it sits in the wall....

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Replacing the Generator with an Alternator

12 or 6 volts? That is the question. Well, most of us know that converting to 12 volts is more efficient and a better way to go on a conversion. But, being an being Electronic Engineer, I decided to actually convert to a 6 volt alternator instead of going to 12 volt system. I hated to convert to an alternator system because I was trying to keep the car as original as possible. But, let's face it. The 6 volt generator just can't cut the mustard on this car. I couldn't turn my radio on without discharging the battery. Every owner has specific situations for what they want to do. My reasons were as follows:

I had a new expensive 6 volt battery.

I didn't want to mess with changing out to 12 volt light bulbs and the ignition coil.

I didn't want to put dropping resistors in to reduce the voltage for the heater.

I didn't want to add Runtz resistors for the...

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How complicated can 3 way switch troubleshooting be? Consider this. Since a 2-switch system has 3 wires to be connected to 3 terminals at each box, it works out that only 1 out of 9 possibilities will work. Each 4 way switch in-between would worsen the odds by a factor of 3. And any defective switch or connection further complicates things. What is going to be easier -- trial and error or understanding the 3 way switch system? ... (Or maybe calling an electrician in your area?)

Terminology and How a 3-Way System Works
Generic 4-Way and 3-Way Switch Diagrams
Wire Colors in a Multiple Switch System

The Basic 3-Way Switch Arrangement
3-Way Switch Variations

The Basic 4-Way Switch Arrangement
4-Way Switch Variations

3 Way Switch Troubleshooting

Terminology and How a 3-way System Works

Multiple switches may be located at several approaches to a room in order to turn the room's lights on or off from any one of...

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InMojo Digital AC Dimmer Module lite v.2 is ideal for AC voltage controlling applications. This v.2 is a enhanced version of our Digital AC Dimmer Module lite v.1. Module contains a Triac triggering coupled with zero-cross detection mechanism for programming the intensity of incandescent lamps or fan speed controlled through a micro-controller.

Changes from Digital AC Dimmer Module lite v.1
1. Low voltage side and high voltage side is completely isolated and the isolated distance is kept under 8mm
2. 100V/240V support and the heating issue has been significantly fixed using a different R2, R3 resistors
3. Diode bridge now supports up to 400VAC
4. Stocked TRIAC BT136S comes with the modules supports 4A MAX. i.e 400W (100V) or 880W (220V).
5. All copper traces are 105um and the PCB can withstand 10A recommended MAX (check here: so that can handle Max 1000W (100V) and 2400W (240V) load when...

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