ECN Forum Forums General Topics of the Trade Non-US Electrical Systems & Trades O/Head Fluorescent Light Tube Hight Regs.

I can't think of anything specific about mounting heights, unless there's something in one of the numerous Health & Safety at Work Acts which would be enforced by H.S.E. in a commercial workshop.

Even so, I can't see fluoros at over 9 ft. above the benches being a problem.