Wire Requirements For 240 Volt Water Heater

What size wire do i need for a 30 gallon electric water heater? is 12 Heater water hot electric wire wiring gallon diagram run need electrical line richmond circuit size 240v breaker 220v use gas Heater water hot electric wire gallon run wiring diagram need electrical line richmond circuit size use breaker 240v gas 220v

What size wire do I need for a 30 gallon electric water heater? Is 12

What size wire do i need for a 30 gallon electric water heater? is 12

What size wire do I need for a 30 gallon electric water heater? Is 12

What size wire do I need for a 30 gallon electric water heater? Is 12