Does the electric water heater power switch O stand on or off?
0 and 1 are the fashionable digital representation..0 is low potential, high potential is 1. Estimated manufacturers used to indicate that the 0 is disconnected, the 1 is closed. You may try, 0 and 1 which is cut off, which is connected with a multimeter can be determined
On electrical appliances, ON is usually used to indicate "open", "OFF" means "off", and some appliances use "digital circuit" in writing. "1" means "open", "0" means "off", "you" should be the latter, so "0" means "off".
O is 0, is no electricity, is closed to express. 1 is the power, is the opening that.
