h My garden shed is split into two sections one for veg and one for flowering. The veg section is extractor fans the usual stuff. However I have since discovered in the veg room which has a 25 both sides of the room, which is covered in mylar. The reflector type is ( http://www.thebigshop pro-reflector-p-675.html). All my devices are plugged into one of those RCB breakers Any ideas why Im getting this shock? How can I prevent this? Do I need to provide an earth? Thanks in advance