Lightninarrester
Member
Guys,
Do you what is the recommended fill area of an underground open bottom concrete cable trough, has covers flush with ground surface.Is there any NEC section about the trough fill area, all what I could find in the NEC is the fill area of cable tray. Cables are 600V power and control. Thanks
[ December 22, 2005, 04:05 PM: Message edited by: Lightninarrester ]
Do you what is the recommended fill area of an underground open bottom concrete cable trough, has covers flush with ground surface.Is there any NEC section about the trough fill area, all what I could find in the NEC is the fill area of cable tray. Cables are 600V power and control. Thanks
[ December 22, 2005, 04:05 PM: Message edited by: Lightninarrester ]