1 Brkr- 2 Panels

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Alwayslearningelec

Senior Member
Location
NJ
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Estimator
Per code can you have one breaker feed two panel boards?

Say a 400A MCB feed two 200A MCB panelboards? Obviously, if allowed, you would run a 400A feeder to a tap or splice box then feed each panel from there.

Or I guess you could run feeder from 400A MCB to panelboard and use a branch breaker in the panelboard to feed the other panel.??
 

augie47

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Location
Tennessee
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State Electrical Inspector (Retired)
Per code can you have one breaker feed two panel boards?

Say a 400A MCB feed two 200A MCB panelboards? Obviously, if allowed, you would run a 400A feeder to a tap or splice box then feed each panel from there.
Yes. Follow the 240.21 rules if conductor to individual panel is reduced

Or I guess you could run feeder from 400A MCB to panelboard and use a branch breaker in the panelboard to feed the other panel.??
Yes
 
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