14387 shaares
5333 private links
5333 private links
Everything an apprentice needs to know about applying the NEC requirements in Art. 230 ///
Corrections:
- 480/277 delta should be 480/277 wye
- 600/480 delta should be 600/377 wye
Everything an apprentice needs to know about applying the NEC requirements in Art. 230 ///
Corrections: