N Nietz001 Member Location St Paul MN Jul 15, 2010 #1 I'm trying to determine EMT % fill for Ci Fire Alarm cable. Can someone tell me where in the NEC it lists the max % fill? I thought is was 40%
I'm trying to determine EMT % fill for Ci Fire Alarm cable. Can someone tell me where in the NEC it lists the max % fill? I thought is was 40%
N nhfire77 Senior Member Location NH Jul 15, 2010 #2 Nietz001 said: I'm trying to determine EMT % fill for Ci Fire Alarm cable. Can someone tell me where in the NEC it lists the max % fill? I thought is was 40% Click to expand... Typically type of cable does not affect the % of fill. The number/size of cross section of conductors does. typically: 40 per cent for over 2 conductors, 31 per cent for only two conductors, and 53 percent for one conductor Last edited: Jul 15, 2010
Nietz001 said: I'm trying to determine EMT % fill for Ci Fire Alarm cable. Can someone tell me where in the NEC it lists the max % fill? I thought is was 40% Click to expand... Typically type of cable does not affect the % of fill. The number/size of cross section of conductors does. typically: 40 per cent for over 2 conductors, 31 per cent for only two conductors, and 53 percent for one conductor
Dennis Alwon Moderator Staff member Location Chapel Hill, NC Occupation Retired Electrical Contractor Jul 15, 2010 #3 Go to chapter 9 Table 4. Not sure if fire alarm cable is affected by this table.