Lighting Circuit - Which wire is Live ?
- Thread starter WhatNext
- Start date
Should be the common terminal, in your case the one with two conductors.
A cheap multimeter will confirm.
A cheap multimeter will confirm.
- Joined
- 11 Jan 2004
- Messages
- 46,046
- Reaction score
- 3,581
- Country
Where are you getting your neutral from?
Leave the conductors in the terminal, much safer that way!
Just put the switch in the OFF position and measure AC volts between the common terminal and cpc (earth) if there's one present.
Switching the switch on and off should have no effect to the voltage which should read somewhere in the region of 230v. This would indicate a permanent live.
Now measure AC volts between L1 and cpc, this time you should see the voltage switch from 0 to 230v as you operate the switch, this is a switched live.
Just put the switch in the OFF position and measure AC volts between the common terminal and cpc (earth) if there's one present.
Switching the switch on and off should have no effect to the voltage which should read somewhere in the region of 230v. This would indicate a permanent live.
Now measure AC volts between L1 and cpc, this time you should see the voltage switch from 0 to 230v as you operate the switch, this is a switched live.
DIYnot Local
Staff member
If you need to find a tradesperson to get your job done, please try our local search below, or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Are you a trade or supplier? You can create your listing free at DIYnot Local
