I have a standard 150W security light on the back of my house high on the wall, wired via a standlone PIR halfway down the wall. This used to be powered via a plug in my daughter's bedroom, and worked fine.
I wanted to move the power source to the loft, to hook this light in with a couple of new lights I've fitted and generally tidy things up. I thought I could use the existing single run of 3-core cable to switch the live via the PIR, but it doesn't work
If I bypass the PIR and hook the two cables together (live feed + 'switched' live), the light works fine. But if I hook them into the PIR, it doesn't. So I assume the PIR needs a neutral feed to work? (The previous owner fitted this, so I don't have the installation instructions.)
There are three wires at the junction block inside the PIR - brown (I assume for live in), white (I assume for switched live) and a couple of blue wires looped together (I assume for neutral), plus an earth block.
So do I have any alternative to running a separate cable?
Are there any standalone PIRs on the market that could just be used to switch the live?
IanJ
I wanted to move the power source to the loft, to hook this light in with a couple of new lights I've fitted and generally tidy things up. I thought I could use the existing single run of 3-core cable to switch the live via the PIR, but it doesn't work
If I bypass the PIR and hook the two cables together (live feed + 'switched' live), the light works fine. But if I hook them into the PIR, it doesn't. So I assume the PIR needs a neutral feed to work? (The previous owner fitted this, so I don't have the installation instructions.)
There are three wires at the junction block inside the PIR - brown (I assume for live in), white (I assume for switched live) and a couple of blue wires looped together (I assume for neutral), plus an earth block.
So do I have any alternative to running a separate cable?
Are there any standalone PIRs on the market that could just be used to switch the live?
IanJ