NEC Conductor Ampacity Table

[Rai136926]

Which NEC table would I need to use if I am running single conductor copper 15kv cable running it in underground conduit duct bank?

 

[MR. S]

Table 300.50 shows minimum cover requirements over 600. FYI I am using the 2011 NEC

 

[Smart $]

Read the conditions stated in the titles of Tables 310.60(C)(67) through (86). Use the one that matches your installation.