Step 1
Connect the water tank's plug or wiring to the proper receptacle jacks on the back side of the step-down transformer. Use a screwdriver to loosen and tighten the wire contacts if a standard plug is not used for connection. Step down transformers all vary slightly, so be sure to read the user manual of your step down transformer.
Step 2
Connect the power cord from the step down transformer to the wall electrical socket.
Step 3
Turn the power switch of the step down transformer to the on position and then power up the hot water heater.