hhsting
Senior Member
- Location
- Glen bunie, md, us
- Occupation
- Junior plan reviewer
Attached sketch shows xfmr feeding Panel R1-1 with 600kcmil phase conductors 400A main breker. Panel R1-1 is feed thru and feeds MLO 400A R1-2 via 600kcmil conductors. R1-2 has subfeed lugs which feed R1-3 with 200A main breaker via 600 kcmil conductors.
Question is would 600kcmil conductors between Panel R1-1 and R1-2, Panel R1-2 a d R1-3 be protected by 400A main breaker Panel R1-1 or it depends on total demand load between panels?
Question is would 600kcmil conductors between Panel R1-1 and R1-2, Panel R1-2 a d R1-3 be protected by 400A main breaker Panel R1-1 or it depends on total demand load between panels?
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