How many times have you seen this? 
The saving grace is that the adventitious insulation of the bars in this way may actually make it safer, if a spanner is dropped in the works it may act as some kind of primitive current limit. Mind you I'd prefer a design with some sort of cover, it is funny how your standard of what is reasonable to work in / on changes over the years
The very word Mike! ADVENTITIOUS! I have been racking my brain for that very word in relation to make-up air for a ventilation system.
The saving grace is that the adventitious insulation of the bars in this way may actually make it safer, if a spanner is dropped in the works it may act as some kind of primitive current limit. Mind you I'd prefer a design with some sort of cover, it is funny how your standard of what is reasonable to work in / on changes over the years
The very word Mike! ADVENTITIOUS! I have been racking my brain for that very word in relation to make-up air for a ventilation system.
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