Rheem 40 GAL ELEC TALL Water Heater 6YR SC 82VH402 "black amp white wires wall" Questions

...amp; O, the white wire connects to the e terminal and blue wire to the c terminal. The w2 terminal was unused.as were the black and brown wires What is the question that you have about this? What is ...

...black & Yellow=white 220volt single phase power.There are 3 wires for 3 phase power connection NOT the case in a home.Also an "off peak"timer option would use (black) only controlling the bottom ...