I dont know, we have the manufacturer saying its a Class 2 fitting, we have a label stuck to the base showing a class 2 fitting, i have not seen the driver but that too is "likely" to show a class 2 device, it may even say class 2 on the box the lamp came in. The only evidence it may be a class 1 is a post and a casting impression of an earth symbol. My head is saying is "probably" a class 2. So i can understand the original electricians position, thats all i am saying, the rest of the install is not fit for purpose for sure.