D derek22r Member May 1, 2007 #1 Is 2300Vac permitted to be routed through an underground duct bank? Section 300.5 talks about 600V and under, but never says anything about higher voltages.
Is 2300Vac permitted to be routed through an underground duct bank? Section 300.5 talks about 600V and under, but never says anything about higher voltages.
don_resqcapt19 Moderator Staff member Location Illinois Occupation retired electrician May 1, 2007 #2 Take a look at 300.50. Don
Rockyd Senior Member Location Nevada Occupation Retired after 40 years as an electrician. May 1, 2007 #4 In addition to that, see 310.60 (A) (B) and (C), and tables 310.67 and up.
