![]() ![]() You can do this by using a neutral ground bonding plug. If you want to use a generator with a surge protector whether it’s a hard-wired or portable one you are going to need to fix the floating neutral. ![]() The floating neutral acts as a safety feature to stop the potential for electric shock and is ok for RV generators. That’s because many generators (especially the newer inverter generators) have what’s called an open or floating neutral.Ī floating neutral is when the neutral is not connected to the frame of the generator or the earth’s ground. You will normally get a warning for open ground or reverse polarity and the surge protector will not allow electricity to pass. Related Product: Power an RV AC using a smaller generator using a Hutch Mountain Microair Easy Start (click to view on Amazon) While it can be done, most good RV surge protectors with an EMS (electrical management system) will come up with a warning when you plug it into most generators or inverter generators. If you have a hard-wired surge protector in your camper or want to be extra careful and use an RV surge protector, you are going to run into some issues when you plug it into your RV generator. When there is a load connected, the hot-ground receptacle source voltage should be the sum of the hot-neutral voltage (the voltage across the load) and the neutral-ground voltage (the voltage drop on the neutral all the way back to its connection to the ground circuit).Final Thoughts On Using A Generator Neutral Plug Why Won’t My RV Surge Protector Work With My Generator? So the ground wire is like a long test lead back to the source voltage. On the receptacle end of the ground path, where the measurement is being made, the ground is not connected to any voltage source (again, assuming there is not a fault). You can think of the ground connection as a wire running back to the source (the main panel or the transformer), where it's connected to the neutral. The ground circuit, under normal, non-fault conditions, should have no current and therefore no IR drop on it. Hot-ground reading should be the highest of the three readings. This is a potential safety hazard and the condition should be corrected immediately. If hot-neutral voltage, measured with load on the circuit, is greater than hot-ground, then the neutral and ground are switched. The greater the load, the more the difference. Hot-ground should be greater than hot-neutral. To check if neutral and ground are switched, measure hot-neutral and hot-ground under load.If neutral-ground voltage is 0 V - again assuming that there is load on the circuit - then check for a neutral-ground connection in the receptacle, whether accidental or intentional. Under load conditions, there should be some neutral-ground voltage - 2 V or a little bit less is pretty typical. ![]() If neutral-ground voltage is about 120 V and hot-ground is a few volts or less, then hot and neutral have been reversed. You have to measure neutral-ground or hot-ground.
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