D dahualin Senior Member Aug 9, 2007 #1 Could you please tell me if 20KV cables and 480V cables can share same manhole/handhole and duct bank (of course different conduit in the same duct bank)? Just try to avoid digging ground twice to save some bucks. Thanks.
Could you please tell me if 20KV cables and 480V cables can share same manhole/handhole and duct bank (of course different conduit in the same duct bank)? Just try to avoid digging ground twice to save some bucks. Thanks.
charlie b Moderator Staff member Location Lockport, IL Occupation Semi-Retired Electrical Engineer Aug 9, 2007 #2 Yes. 300.3(C)(2)(e).
