90.7 and Sec. 300.1(B)]. The minimum sizes of conductors are 14 AWG copper or 12 AWG aluminum or copper-clad aluminum, except as permitted elsewhere in the Code [Sec. 310.3(A)]. For example, you can ...

3. Does the system include a variable-frequency drive (VFD)? Is it power-factor corrected? Does it have harmonics mitigation? 4. Do you need to derate conductors for voltage drop? 5. What type of ...