O olc Senior Member Jun 12, 2022 #1 Does the 220.53 75% diversity apply to electric water heaters for multi-family service calculation? (this is for the regular service calculation, not the optional 220.84 calculation)
Does the 220.53 75% diversity apply to electric water heaters for multi-family service calculation? (this is for the regular service calculation, not the optional 220.84 calculation)
J jaggedben Senior Member Location Northern California Occupation Solar and Energy Storage Installer Jun 12, 2022 #2 Yes, if you have four or more.