240 AC Stick Some Of These Near Your Electrical Box

https://www.ebay.com/itm/2in1-22mm-AC50-500V-0-100A-Amp-Voltmeter-Ammeter-Voltage-Current-Meter-with-CT/352438361778?hash=item520ef69eb2%3Am%3AmA7mhDXL67djS23JC_XegMQ&var=621783497144

AC Voltage
AC Amps
AC Frequency

One AC voltmeter and One AC current meter per phase

Two Voltmeters, two ammeters and one frequency meter

Line line balance and load draw at a glance
Check generator speed at a glance

They need a 7/8" hole

Simple as can be to wire like an electrical receptacle.
Each voltmeter would read @ 120 vac and amps would measure each of the two legs.

A setup like this could be mounted in the generator compartment and wired to the incoming power of the energy management protection device.

Instant diagnostics.

See eBay site for colors and prices

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