steve66 Senior Member Location Illinois Occupation Engineer Feb 14, 2013 #1 What size ground wire (equipment grounding conductor) is required for a 150 amp feeder? Do I use the row for 100 amp (#8 EGC) , or the row for 200 amp (#6 EGC)? Is it sepcified anywhere in the NEC text?
What size ground wire (equipment grounding conductor) is required for a 150 amp feeder? Do I use the row for 100 amp (#8 EGC) , or the row for 200 amp (#6 EGC)? Is it sepcified anywhere in the NEC text?
david luchini Moderator Staff member Location Connecticut Occupation Engineer Feb 14, 2013 #2 Use the 200A row. The table 250.122 says Rating or setting of OCPD ahead of equipment (Not Exceeding.)
Use the 200A row. The table 250.122 says Rating or setting of OCPD ahead of equipment (Not Exceeding.)
cpinetree Senior Member Location SW Florida Feb 14, 2013 #3 steve66 said: What size ground wire (equipment grounding conductor) is required for a 150 amp feeder? Do I use the row for 100 amp (#8 EGC) , or the row for 200 amp (#6 EGC)? Is it sepcified anywhere in the NEC text? Click to expand... Top right column heading - Not Exceeding (amperes) 150 exceeds 100 so you must use 200
steve66 said: What size ground wire (equipment grounding conductor) is required for a 150 amp feeder? Do I use the row for 100 amp (#8 EGC) , or the row for 200 amp (#6 EGC)? Is it sepcified anywhere in the NEC text? Click to expand... Top right column heading - Not Exceeding (amperes) 150 exceeds 100 so you must use 200
steve66 Senior Member Location Illinois Occupation Engineer Feb 14, 2013 #4 Duh - on my part. I missed that in the table.