X10 on the cheater plug. 1) the ground will usually be too high (in ohms) to he of any value.
2) it will not offer more personal safety, if anything it will be worse.
3) the only situation where a generator must be grounded is when it feeds a building (per the NEC)
I would not bother to use my EMS on genset, but if you insist make and usevthe "plug". I would plug it in at the genset: not to any 'ole outlet.
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