On consumer units, you can use a lock-off device and padlock to ensure nobody will switch the power back on while you’re fitting your new dimmer switch. Bulbs that include a power supply like LED and CFL bulbs may emit a soft glow even when the switch is turned off. As a homeowner, you will likely need to replace a light switch many times and paying an electrician is not optimal when you can do it in just a few minutes. The 2 wire cable feed from the power source enters the bottom of the switch box and the hot (black) wire connects to the common or shunt terminal on the 3-way switch. Now the power is back on, test your dimmer switch by increasing and decreasing the brightness as you see fit. You’ve now successfully fitted your dimmer switch. Starting with the ground wire, connect the wires from the new dimmer switch to the existing wires. How To: Replace an electrical light switch How To: Wire a basic 3 way switch How To: Repair a defective ceiling fan light switch How To: Install a dimmer switch in a snap How To: Fit a dry lining back box How To: Install a dimmer and/or replace a light switch (see lights and switches) Although there was none there, we have added a red indicator to the black wire. Important Notice: Electricity can kill so it is of paramount importance that you know exactly what to do. Reactions. Expert electrical DIY tips from VideoJug and Aspect Maintenance.\r\rSubscribe! One probe touching the top terminal and the other probe touching the bottom terminals. Clip the loops off the ends of the cable wires, strip an inch of insulation off each of the clipped wires. Many manufacturers are now producing dimmer switches that can be used for either Single Pole or 3-Way Switches. 1 a.) The colour of the wires may vary but you must know where each should go on your new dimmer switch. Can you complete the job confidently? Lighting Up Your Video Conferencing Experience, Christmas and your LED Light Bulbs Collection. Before you do anything, ask yourself this question. In some cases, marking them with some insulation tape or sleeving might help you distinguish them better. If you are replacing an existing 3-way switch: When replacing an existing 3-way switch take note of how the existing switch is wired BEFORE you remove the wiring, then refer to your notes to help you wire the new 3-way dimmer switch. How to Install A Dimmer Switch How to wire a dimmer switch, Instructions on Installing a dimmer switch or replace a 2-way switch with a dimmer switch Wire An Outlet How to Wire an outlet, How to wire a duplex receptacle or Outlet in a variety of ways. Brown (or red) wire must go into C (Common), Grey wire must go into L2 (if black, it can go into L1 or L2), Black wire must go into L1 (or L2 if you have a red and black setup), Check the lamps on your circuit are dimmable, Ensure your backbox is deep enough to house your new dimmer, Metal dimmer switch plates should never be fitted to a circuit that isn’t earthed, When purchasing a dimmer switch, check its rating, Don’t overwork the dimmer by purchasing the maximum wattage light bulb allowed for the fixture. Attach the new standard switch. If you’re attempting to wire anything more complicated like upgrading a 4 gang light switch to a 4 gang dimmer switch it may be worth taking a quick photo first just in-case you get muddled up with the wires and need to revert back. However, you need to familiarize yourself with ways to safely install a dimmer switch to ensure that it adheres to the National Electrical Code requirements. you're not allowed to use normal blue/brown/green-yellow TPS to wire two-way switch circuits anymore, even using coloured sleeving on the ends ; you need "twin phase" wire. Expert electrical DIY tips from VideoJug and Aspect Maintenance.Subscribe! Use the probes to touch each of the terminals on the existing switch to check it’s safe to work with. Dimmers New Zealand. Next, connect one of the black wires on the dimmer to either of the wires you removed from the switch. According to code (this has been referenced in a few other posts), if you are replacing an ungrounded light switch, you don't need to ground it as long as you have a noncombustible cover. Put a dimmer switch the existing switch to the wall lighting Up your Conferencing... Is able to avoid need of a professional it to a ground wire, remove! 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