Hi there!, please I need to solve this two questions, I having trouble with them, looks very simple but there is something I cannot find right. Thank you !!!!!
- What size of box is required for two #6 conductors, one #10 ground that leave the box, one #12 ground and two #12 conductors, the #6 conductors has internal clamps and the #12 has external clamps.
- what is the efficiency of one 5HP/230 DC motor ?