Question: Whay are the Article numbers different?
NFPA 70E Standard for Electrical Safety
In the Workplace 2004 Edition
Chapter 4 Installation Safety Requirements
400 General Requirements for Electrical
Installations ...................................... 70E– 53
I. General ........................................ 70E– 53
II. 600 Volts, Nominal, or Less ............... 70E– 55
III. Over 600 Volts, Nominal .................. 70E– 57
410 Wiring Design and Protection ................ 70E– 59
420 Wiring Methods, Components, and
Equipment for General Use ................... 70E– 67
430 Specific Purpose Equipment and
Installations ...................................... 70E– 76
440 Hazardous (Classified) Locations, Class I,
II, and III, Divisions 1 and 2 and Class I,
Zones 0, 1, and 2 ............................... 70E– 84
450 Special Systems ................................. 70E– 87
