Natwerk Designs

electrical calculations for the design of the electrical layouts of a domestic apartment from scratch?

The answer should include (1) design calculations for lighting layouts, power layouts, cable sizing and breaker selection.

Public Comments

1. assume main distubution panel is a existing 120/208volt 3phase 4wire system. building is a metal frame 1story 30feet high with i beam and juinor beam construction.motor1 is20hp,motor2 is40hp,motor4 is 10hp and m3 is15hp.all are comptession motors and i need ground size,conduit sizes,disconnects and fuse sizes.the main is 1000amp and there is 160feet to sub panel.duel element fuses and thhn wire is being used