Sketch the necessary wiring to make this float-type level switch control a pump and a lamp in the following manner:
- High liquid level: pump on and lamp off
- Low liquid level: pump off and lamp on
Hint: remember that the “normal” status of a switch is defined as the status of minimum stimulus: when the switch is exposed to the lowest possible degree of process stimulation (in this particular case, to the lowest possible level).
Answer :
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