Open Neutral
Senior Member
- Location
- Inside the Beltway
- Occupation
- Engineer
WA State
PSE
Building with two 200A disconnects with appropriate gauge to front & rear PB's.
One feeds an existing 100A PB with a 100A Main {It was the building's main before upgrades....}
And 20A breaker to solar supply. Others to misc. loads.
The client was told that any further array expansion would require replacing the PB with a 200A one.
Thinking about, I wonder why.
If you can consume 80% of 100A, can't you source that into the panel?
PSE
Building with two 200A disconnects with appropriate gauge to front & rear PB's.
One feeds an existing 100A PB with a 100A Main {It was the building's main before upgrades....}
And 20A breaker to solar supply. Others to misc. loads.
The client was told that any further array expansion would require replacing the PB with a 200A one.
Thinking about, I wonder why.
If you can consume 80% of 100A, can't you source that into the panel?