To connect the neutral wire youll need to strip off about 58 of the insulation from the tip of the white wire. To HAVE a neutral we want the line voltage to come to our switch box first.
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The black live neutral isnt there probably cut off near the sheathe.
Does a light switch have a neutral. The switch cable just has the earth and red wire running to the live terminal. Because it is the return wire it is not switched switches should be in the hot wire s. Lighted switches dont require a neutral.
For those of us using LED Fluorescent or some other energy efficient bulbs under 20w a neutral is REQUIRED. Not if they are an indicating light that the load is on. Ive had a look inside my switches and they only have three wires.
There will be a neutral on the circuit somewhere but its quite often at the light fixture in older homes. If there is an outlet near the light switch in question its likely that switch has a neutral wire. Without this neutral wire in place the circuit is broken any time the switch is now in the off position.
The most common requirement of any hardwired automated light switch is a neutral wire. Yes there are a few read very very very few switches that dont require a neutral but those will limit you to incandescent only. Switches dont have a neutral wire because ONLY the supply-side of electrical devices are meant to be switched to disallow leaving HOT ungrounded devices becoming shock-hazards.
If there is an outlet wall receptacle near the switch most likely that switch box has a neutral Switches that are ganged together have a much higher likelihood of having neutrals no matter what year Checking The Switch Box If you are unsure whether or not you have neutrals look in your switch box. It remains has power when the switch is in the On Mode. If your switch terminals have screws youll need to bend the wire into a U shape slip it over the screw terminal and tighten the screw.
You can also have an electrician rewire the switch and light fixture which is potentially more expensive. Light switches ganged together like two or three right next to each other are likely to have a neutral regardless of the year your house was built. And this is why you can typically put an in wall micro at the fixture as another alternative.
Then from the switch box another loop goes out to the load light bulb or whatever. You will find 3 wires a black hot a copper bare and a white which is your neutral wire. Would the entire lighting circuit need to be replaced for all lights on the floor.
However you will be glad to know that there are few smart switches I have reviewed below that dont demand a neutral wire connection attached and can work without it. When we talk about a 2-wire lighting system we mean that it doesnt have a neutral available at the switch See APNT-23 for more information. If there is not then you need to do extra work to get a neutral wire in there which stops a lot of people from doing it at all.
In the US the neutral wire is white. Switch boxes on the other hand dont need a neutral because they are just an interrupt spliced into the circuit. No there will not be a neutral in that switch.
Every wire in that switch will be live at some point. Live ground and the other one. For the vast majority of the smart light switches they do need a neutral wire as the pre-requisite to function.
The presence of a neutral wire would most likely be the return from the lighting-receptacle being controlled by the switch. The neutral wire allows the completion of the circuit and the switch to have power even when its turned to the off position when you want the lights off. If you take a look at figure 1 youll see that the light switch only has two wires - Live which is the permanent live to the switch and Switched Live that takes the Live supply to the light bulb.
They run by a trickle of current through the light fixture if you remove the bulb or fixture the lighted switch stays dark 4042 has a comment that says it was added because of the increased use of electronic controls and timers. 15 March 2018 at 958AM hd216 Forumite. If there is a Neutral Wire present in the light switch already then it is simply a case of swapping them over.
At the box all the neutral wire are bonded together while the hot wires are landed on the breakers or fuses. The diagram below shows this configuration this circuit HAS a neutral. No neutrals in a switch No theres no black.
The neutral is usually ran to the breakerfuse panel with the hot wire. The blue and yellow should be sleeved to identify them as live. Get a sparky before messing - electricity kills.
If you want to use smart switches and dont 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. Almost all of these require that the light switch has a neutral wire. How big a job is it to get some of the switches to have neutral wires.
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