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This code is regarding light fixture and circuit grounding. the code begins with "rapid start lamps" and doesn't list a ground plane being required for any other ballast types (instant start or programmed rapid start). does that mean those ballasts are exempt from requiring a ground plane...

ive got an "L" shaped aluminum cross section. need to build a square frame. the miters can have no evidence of welding after paint and need to look perfect so we got a sample corner that the customer expects us to match. it looks like the aluminum was scored and then formed to be the shape...