The box would need to be 3x2x3. 5 per table 314.16. A. I hope this helps your understanding of box fill.

What size box do I need for a dimmer switch?

Dimmer Switches – These items will fit into a 25mm back box, the standard plate items will even squeeze into a 16mm depth of pattress back box. However, the air around the dimming module at the back of the switch helps to cool the dimming module and will enable a greater product life if operated at lower temperatures.

Can dimmer switches be installed anywhere?





A dimmer switch can be installed anywhere that an existing on or off switch is in place. Replacing the current toggle switch with a dimmer switch will allow you to change the lights’ brightness, so long as you are using a light bulb that is compatible with the dimmer you have chosen.

Can you install a dimmer switch on regular fixture?

Most light fixtures will work with standard dimmer switches, including those with halogen and incandescent lamps. Determine whether your fixture uses line or low voltage. If you install line-voltage track and rail lights with incandescent bulbs, you can use dimmer switches to control their brightness.

Do I need an electrician to install a dimmer switch?

You may be able to install a dimmer switch yourself if you have worked with electricity before, but if you’re uncomfortable with the process, you should hire a licensed electrician.

What is depth of back box?

When considering what depth Back Box to use, the general rule is to use a 3.5″ box for stations with 3 or more connectors. (This is a change from the previous standard of 3.5″ boxes for 4 connector boxes.) This will be reflected in the standard drawings.

How do you wire a dimmer switch?





Connect the New Dimmer Switch



Connect the ground wire from your dimmer to a green or bare copper wire in the wall box. Twist the ends together clockwise and cap them using a wire connector nut. Connect each dimmer wire to a house wire by gripping the wire ends with a pair of pliers and twisting them together.

Can you have 2 dimmers on a 3-way switch?

The answer is no. If you set up a 3-way switch for your light, there can’t be multiple dimmers. However, there are workarounds to this. Such as placing one dimmer on the line leading into the first switch.

Can you put a dimmer switch on fluorescent lights?

The answer is yes, but certain considerations apply. It is possible to use wall dimmers for both fluorescent and CFL bulbs, but each requires a different approach and special hardware. A tabletop dimmer. Some dimmers such as this one are compatible with dimmable CFL bulbs.

Is a dimmer switch wired the same as a normal switch?

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.

How many wires do I need for a dimmer switch?



There will be three wires: one black, one white, and a separate ground wire that may be bare copper or is sometimes wrapped in green. Identify the different colored wires, and use needle-nose pliers to attach the wires to the dimmer in the same way they had been attached to the switch (Image 1).

How much does it cost to install a dimmer switch?

How Much Do Dimmer Switches Cost? Dimmer switches cost between $10 and $35 on average, although some higher-end models can be more expensive. On top of this, installation costs can be between $100 and $200, depending on the service and your location.

Do I need to get an electrician to change a light switch?

Do I need an electrician to replace a light switch? No. If you’re replacing a broken light switch or a like-for-like one, it’s a simple task that only requires you to know how to safely isolate the circuit and some basic tools.

How much does it cost to install a new light switch?



How much does it cost to install a light switch? Prices for replacing light switches typically range from $65 to $125. This varies depending on the type of switch and whether any changes are made to your home’s wiring. Wiring a completely new fixture and switch could take several hours and cost $400 or more.

How much do electricians charge to install lights UK?

Costs for electricians to work on light fittings

Job Details Price range
Install a light in loft Supply and fit light in loft with switch outside loft hatch; assumes no light already exists. £75-£150
Install downlighters Replace old strip lighting in kitchen with LED downlighters. £275-£440

Can you install lights yourself?

You’ll need some basic electrical skills to replace a light fixture. Once you know how to replace a light fixture, you’ll be able to tackle a variety of other relatively easy projects, like replacing an outlet or light switch. As with any electrical project, caution is the rule of the day.

Do you need an electrician to install lights?

Do I need to hire an electrician to install a light fixture? Unless you have previous electrical experience, you should always hire a licensed electrician for any electrical project, including installing a light fixture.

Do electricians install light fixtures?



Labor comprises the majority of the cost to install lighting fixtures. Most of these projects require a licensed electrician for safety and to ensure the wiring is up to code.

How do I add a switch to a light fixture?

  1. Turn Off Power. Wiring a switch to light is fairly simple. …
  2. Mark Location. …
  3. Cut Drywall. …
  4. Run the Cable. …
  5. Strip Wires. …
  6. Wire Ceiling Fixture. …
  7. Connect the New Switch. …
  8. Add Switchplate.
  9. How do you wire a new light switch and fixture?


    Quote from Youtube video: So we have two wires the first wire is the power wire that comes from the junction box the second wire comes from the switch back down it's gonna go over the light fixture.

    How do I wire a new light switch from an existing outlet?

    Step 1: Install a box for the new electrical switch and run a red, a white, a green and a black 12- or 14-gauge wire from the existing outlet to the new switch box. Strip the ends of the new wires. Step 2: In the switch box, connect the green wire to the grounding screw on the switch.