Bills and rating plates
Your notes
A line opens when you have worked through its moment. Skipped ones stay closed.
Power is a rate
What the meter counts
What the meter counts
A kilowatt-hour takes time
What a device costs to run
Explain a bigger count
Volts, amps and watts
Work out the worn marking
More watts, more flow
What a plate tells you
Explain a heater on a thermostat