I'm replacing a failed PIR lamp. This has an internal switch to switch the lam on continuously. When I removed the old lamp fitting I found it had four wires, E, N, L and a red sleeved yellow cable. The new fitting only has three cable sockeds (conventionally marked) E, N and L. How do I, or should I connect these?
It sems like your old set up used an overide switch to put the light on manually, which would be the sleeved yellow 'switch line' & the red was the permanent live, if so then put the yellow into a small connector in fitting term. box (if room) or if you can disconnect it at the overide switch,
DIY how to tutorial projects and guides - Did you know we have a DIY Projects section? Well, if no, then we certainly do! Within this area of our site have literally hundreds of how-to guides and tutorials that cover a huge range of home improvement tasks. Each page also comes with pictures and a video to make completing those jobs even easier!