Talk:A/C Electrical Wiring Information for North America
From Free Knowledge Base- The DUCK Project: information for everyone
208v System
“220” and “240” are the same thing. “220” is what the unqualified use to describe 240 volt circuits.
208 can only be obtained from a 3-phase wye system. 240 volts can be obtained from either a 120/240 residential system or a 240 volt 3-phase delta system.