Come in and discuss the wiring methods for two-wire, three-wire, and four-wire level switches
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Let’s discuss how two-wire, three-wire, and four-wire level switches should be wired for low-level and high-level alarms – should they use normally open or normally closed connections?
If there’s anything you don’t understand, come and ask me, big brother,,, I don’t want your big red envelopes nor your small red envelopes,,, which one of you is a girl? Misi misi..... {:3_51:}