645.5(D)(5) IT Room cables below floor

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Re: 645.5(D)(5) IT Room cables below floor

I think they are effectively saying cables in (2) are exempt AND cables complying with (a) are exempt AND cables complying with (b) are exempt AND cables complying with (c) are exempt.

It seems a little more clear if you look at the first "AND" - "except cables covered in (2) AND...." You wouldn't expect the cable to meet (2) and (a) and (b) and (c).

In other words, cables in (a) and in (b) and in (c) are exempt. I think this paragraph wins the award for most confusing use of conjunctions.

Steve
 
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