As title says. I was originally going to wire off of s ceiling rose as have done this before but the bathroom light is just hard wired in. There isnt a ceiling rose just a bunch of 5 cables going straight into the pendant....I have no idea how to determine loop in/out or the line cables nothing is marked and cables are all running where I can't access them. So wondering if it is possible to spur off of the power for the shaver plug already installed.