Reply To: module 6 unit 6 baking and broiling question # 8

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#12047
Sam Brown
Keymaster

The other way around, actually.

When you do a voltage measurement, it’s really a measure of the voltage difference between the two points that your leads are on. If you’re reading across a switch, then you’ll read a difference of 120 volts when it’s open, but 0 volts when it’s closed.