That would be the NESC. National Electric Safety Code. NEC has a diagram but it's for private property.
http://standards.ieee.org/findstds/standard/national_electrical_safety_code_nesc.html
Re: National Electrical Code Attachment Diagram
Member #: 21329
Registered: 2/9/2003
Posted:
242
Name:
Mike Hudson
Name:
Mike Hudson
Company:
R and M Technical Services, Inc.
Occupation:
RETIRED
Location:
Ninety Six, SC
Personal:
late 60s
Experience:
~49 years
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