I was setting up yesterday and I noticed the plug on one of my LEDJ Par 64 was rattling so I took the plug cover off and to my horror the earth screw was loose inside the plug case, this light was PAT tested when new about 10 months ago and passed.
I immediately checked the others and in one the neutral screw was loose.
I may have a dodgy batch of lights but I thought I would let you know just in case.