A bulb blew on a light fitting not long ago so I changed the bulb and nothing, opened the ceiling rose double checked everything, all fine. When the bulb is out of the fitting everything works fine however when I put a new bulb in, nothing? I'm a sparks mate so only tested with a volt stick as to if I have power or not as I dont own a tester. Is this a neutral fault local to this fitting or could it be any one on the circuit