Instructions / Assembly

PAGE 37
InstallatIon and applIcatIon GuIde For 600v conductors
NEC
®
Table 250.122 - Minimum Size Equipment Grounding Conductors for Grounding Raceway and Equipment
RATING OR SETTING OF AUTOMATIC
OVERCURRENT DEVICE IN CIRCUIT
AHEAD OF EQUIPMENT, CONDUIT, ETC.,
NOT EXCEEDING (AMPERES)
SIZE (AWG OR kcmil)
COPPER ALUMINUM OR COPPER-CLAD ALUMINUM*
  
  
  
  
60  
  6
 6 
  
  
  
600  
  
  
  
  
  
  600
  600
  
 700 
6000  
Note: Where necessary to comply with 250.4 (A)(5) or (B)(4), the equipment grounding conductor shall be sized larger than given in this table.
*See installation restrictions in 250.120.
Reprinted with permission from NFPA 70-2008, the National Electrical Code
®
Copyright© 2007, National Fire Protection Association, Quincy, MA 02169. This reprinted
material is not the official position of the NFPA on the referenced subject which is represented solely by the standard in its entirety.
ANNEX E. REFERENCE MATERIALS