That is, if you look at how 220 is wired in a (US) home, if 150 amps
is being supplied on one leg, then it can "return" so to speak, either
on the neutral for 110V, or on the other hot leg for 220. So the 150
amps is available at either voltage.
WRONG. 150 amp service can supply 150 amps on *each* leg of the service. That
adds up to 300 amps at 110 V. Or 150A at 220V. Or any combination that adds up
to 33 kVA, provided that no more than 16.5 kVA flows through an individual
HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here.
All logos and trade names are the property of their respective owners.