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Must be taken if augmenting inverter MICROWAVE OVEN draw by running a vehicle engine.
The magnetron in the microwave manages to couple with the inverter's FET power transistors when the inverter magnetron saturates (startup) or collapses the field (shutdown).
Techhies can connect their oscilloscope to the 12 volt primary (do it at the vehicle chassis IGNITION connection). Dramamine recommended.
The transient voltage spike would make popeye the sailor seasick.
The problem is the coupling of the vehicle's battery with vehicle ignition power because the circuit is made complete with the ignition key in the "on" position.
