kronin323
Font of Useless Knowledge
CSA is NOT as good as UL.
Canadian UL and CSA are different entities. UL is an American convention and adopted to Canadian, but must specify C UL or C UR for components to be used. CSA is a design standards body, and to conform to CSA the ESA standards must be followed and individual machines must be tested for conformity. C UL can be justified by markings, listings, and designs, CSA/ESA cannot and must be tested.
At least that's how I understand it.
Yes, the machines we were CSA certifying were being actually tested. But only a single example of the machine had to be tested, not every one going out the door. But any design changes required retesting.