Recent content by epsilon4

Thanks everyone for your replies, they've been very helpful. I'll have a think about what to do next :) (for those interested in my original plans - the relay would have been held open by the upstairs lighting circuit, and I was planning on running the lights from a central distribution...

Hi all, I'm thinking of installing a number of 12V, 11W lights like these along with a 12V AGM battery to provide automatic emergency lighting throughout the house when mains power fails (automatic switchover by holding a relay open with 12V DC via transformer from mains, relay close will...