hi all just like to pick your brains im changeing my fluorescent light how ever i hit a problem when i took the light down ive found not three wires comeing out the ceiling but two and not just that they are not coulored they are both white now my new light has three one of these is the earth but no earth comeing from ceiling it is a flat roof extension ive made a bigger hole in the ceiling but the same two white wires so how would i be able to connect three wires to two and which one is live or will i need a sparky if you can help thank you very very much