A switch box with no neutral loop will usually only have three wires see image below.
Light switch no neutral wire uk.
1 run a neutral wire.
Call in an electrician and get him to run a neutral wire running from the light fixture to the switch.
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Classic design one way two way configurable.
Fits standard uk 25mm back box.
Standards full wi fi control set scenes ifttt non dimmable.
For two way switching you need to replace both switches.
They will usually be colored one black and one white potentially with black stripe.
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A smart switch can simply tie into the white neutral wires to complete the circuit and get a source of power to keep the radios in the switch working at all times.
Uk wiring and no neutral for smart light switch installation by yammers wed feb 12 2020 11 49 am last post by ericmark thu feb 13 2020 10 57 pm.
Option 1 run a neutral wire 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.
Two of the wires will be the current carrying wires that power the light.
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Zwave smart light switch the o nly z wave smart light switch suitable for all uk homes works with or without a neutral wire w orks with all bulbs and light fittings no need to buy expensive and ugly remote control bulbs works with your existing bulbs and light fittings.