If you switch the neutral, then the … For those of us using LED, Fluorescent or some other energy efficient bulbs under 20w a neutral is REQUIRED! There are different types of smart switches that don’t require a neutral wire which can be also used for the same purpose, but most of the smart switches available today require a neutral wire for their operation. Neutral wires can be added two ways. Some manufacturer’s smart switches require a neutral wire for their operation and some manufacturer’s smart switches don’t require a neutral wire for their operation. Automatic light switch timers are wired into the mains lighting circuit. For that reason, the neutral wire is important in smart switches. Arm light, which is also called adding a neutral wire to a light switch uk a sofa light, can be an light which has a benefit where you’re able to break your own arms. Most homes in the UK don’t have a neutral wire and so timer switch become quite difficult to install. In this diagram, a new switch and light are added to an already existing light switch. Neutral wires should be installed separately in switch boxes and there is no other wire or workaround that is safe. There are several ways to look for a neutral wire in a switch box. At the ceiling rose, Brown connects to Loop as before, Black is now the switched line, and the third grey wire is connected to Neutral. With a neutral wire on the smart switch, the circuit is always completed which can be easily turned on with the help of the voice or app. Turn the main electrical feed of the switch that you are working on OFF. The switch simply cuts off the live current. One way is to extend a neutral wire from a previous switch box that already contains a neutral wire. Remove the switches from the gang box (the interior box of the switch you are working on) and check for the wires at back. There is also the option to opt for a smart switch which doesn’t require a neutral wire as opposed to one that does. Your email address will not be published. However, some smart switches do require a neutral wire and if this is the case then you have no choice but to add a neutral wire to the smart switch. The white wire is marked black on both ends to identify it as hot. Rewiring both wires is a complex and expensive so instead of rewiring both another option is to simply add a new neutral wire to just the switch … The timer uses two AA batteries to power the timer and mechanically switch the lights on and off. 3. The smart switches that don’t require a neutral wire for their operation require a connection to a home hub. Look for the white wire among the switch box wires, if you find a white wire that means the switch has a neutral wire hooked up to the electrical system of the house. This Timer Switch work with three wires. Again we recommend you hire an electrician to add a neutral wire to the smart switch from a light fixture. I did use this and my outside lights working itself on off with the timer i set up. Unfortunately, this is not an easy task and we recommend that you have an electrician come to extend a neutral wire from one switch box to another in your home. Wiring Diagram for a New Switch and Light. The switch to the lantern is the PIR sensor itself, so at the internal switch you are looking to connect a wire to the live feed and to the neutral blue/black wires. A traditional switch only switches the live so it does not need the neutral. If you do not have a neutral at the switch box it means that the power source (line) does not come into that box and you are just switching the hot from another source. An electrician should be able to add a neutral wire for you but this often requires cutting into the wall to get the wire to the switch you require it for. Again we recommend you hire an electrician to add a neutral wire to the smart switch from a light fixture. The red and black wire either side of the ceiling rose are coloured like this for clarity to show live and neutral. For example yesterday, I added a neutral wire to a switch that controlled an outlet. The first choice is to take a neutral wire from a switch box that already has a neutral wire and use it in the switch that you are installing your smart switch. It is Installed fitting the timer over an existing wall light – a small control wheel then turns the lights on and off by means of a control wheel on the rear of the unit to operate the switch manually. Smart switches are operated the same as the traditional switches but they can also be controlled with other smart applications and devices from your mobile phone, tablet, or other connected devices. Smart switches are a newer form of automation with better efficiency. This site uses Akismet to reduce spam. So how do you connect them. Smart switches are used to replace the old conventional switches in order to automate appliances and increase electrical efficiency. Get the latest home security tips and information from MyDome by signing up to our mailing list: Free Shipping On All Orders Over £25 Dismiss. There are several ways to add a neutral wire for your smart switch. A one way light switch has two terminals which is a common marked as COM or C. The common is for the live wire that supplies the input voltage to the switch. Works with LEDs – Any smart switch I install needs to work with LED bulbs. A two way light switch can also be used in in place of a one way light switch, in this instance the red wire from the feed cable is connected to the common (C) terminal and the red wire going to the light is connected to the (L1) terminal. Many electrical timers require a neutral so that the switch can be powered without sending power to the load. I pulled the cover from the switch and outlet, pulled out the switch and outlet themselves. I have some smart bulbs work fine, but family keep switching off switch so they become very dumb! The most common requirement of any hardwired automated light switch is a neutral wire. Ok neutral switches works but here is the catch if you switch off a light in a room the light is electrically dead if you switch the live but if you switch the neutral then there is a perminant live at the light as fo current flow because no neutral no current BUT the majority of people who work on a light ie relamp/repair/replace do not isolate at the CU hey "just" switch it off at the switch. Adding a neutral wire to a light switch models and shapes also fluctuate according to their functionality. A metal light switch must be … this does require that you have three wires at the junction box (plus an earth) . Substantial work would be required to rewire each light switch drop with a suitable 3 core and earth cable. If you only have two wires at the switch you have a switched live type circuit. Works with no neutral – Well, duh. If the neutral wire is disconnected from an electrical system then the flow of electricity is also stopped until the neutral wire is connected again. Neutral wires are used to complete any circuit even when a switch is toggled off. Yes, there are a few…(read very, very, very few) switches that don’t require a neutral, but those will limit you to incandescent only. http://www.diy.com/help-ideas/how-to-fit-ceiling-lights/. Hope it will help. The timer light switch can be used on single, double or triple switches and even allows the user to select which of the switches is operated via the timer. Typically micro-controllers are used to store information about the smart switch. If you want to use smart switches and don't have a neutral wire in your switch box, you can hire an electrician to run a neutral wire between the light fixture and the switch. Is there anyone that knows where I can purchase one? This circuit is wired with a 2-wire cable running from the light to the switch location. Then, pull the switch out of the electrical box. Hey, I need a 5min to 60min timer in bathroom and have no neutral wire. You need to add the neutral into the switch, no easy way of doing it really you just have to do it properly and rewire the lighting to give neutral at the switch. Most homes in the UK don’t have a neutral wire and so timer switch become quite difficult to install. OK; now I need some kind of a timer that I can install into the electric box with only 3 wires(no neutral or 4th wire) to turn my outside light on at night & off in the morning. Attach the black of the new wire to the other screw on your switch this is your "switch leg". Innens Smart Light Switch, Neutral Wire Needed, 2.4Ghz Wi-Fi Touch Single Light Switch 7.8 7.3 7.9 9: Smart Light Switch, 1-Gang WiFi Wall Wireless, White Tempered Glass Touch-Screen Switch Compatible This is the most common lighting system in Europe, almost all homes use this system, especially in the UK and Nordic regions. After. At SW1 it is connected to one of the terminals. The concept of enjoying cold weather is highly controversial. Most smart switches require a neutral wire for installation. The neutral wire provides a path to complete an electrical system. However adding a neutral wire is not that easy. There are numerous manufactures of smart switches. Thanks Kevin, Picture this…wall plug, indoor timer plugged into the wall and the light plugged into the electric timer. Some types of circuits will be incomplete without a neutral wire. Typically wall switches are the kinds of smart switches that require a neutral wire for installation and functionality. Believe it or not that narrows down the field quite a bit. Connect a new cable to the switch to provide power to the new light fitting. The mydome timer switch is not connected to your home electricity supply and does not rely on the neutral wore as a power source. And other timers that work with no neutral wire? Thank you very much for sharing on light switch timer wiring, it’s difficult for me to get such kind of information most of the time always… I really hope I can work on your tips and it works for me too, I am happy to come across your article. With your light fitting flex, they will be brown (LIVE) and blue (NEUTRAL). Is there any UK light switches compatible with SmartThings yet, that don't require a neutral? Their functionality once you tie them in with the existing switch as L1 is. Have a neutral wire in a standard switch/dimmer, the `` hot '' is using one of the.., smart switches which we will discuss in this article I can purchase one and I am passionate about home! 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