Read the following threads here and send in your proposals to NFPA for the 2005 NEC, if your really have valid problems.
I agree, some words used in the NEC are "vague" and should not be used.
PS: How many of you have served as a committee member in any capacity?
Not easy is it?
https://www.electrical-contractor.net/ubb/Forum2/HTML/000462.html https://www.electrical-contractor.net/ubb/Forum2/HTML/000077.html