Dreyoo Neutral Ground Bonding Plug For Portable Inverter, Black, 3 Pack Features: This adapter solves the floating neutral problem by eliminating the open ground problem. Worked great to add a surge protector to a portable electric generator, fix grounding issues. Package include: 1 x Ground neutral plug for Open Ground Error: portable generators with a floating neutral or surge protector can be detected open ground fault, it will not power up the RV when connected Necessary for Portable Generators: the plug connects the neutral and ground on the generator together, providing the ground condition for the generator to function properly Compatibility: fits into a 15A receptacle on your portable generator control panel for RV, Motorhome, or Camper; Compatible with EcoFlow/Honda/Champion generators Easy to Use: simply plug this neutral grounding bonding plug into the outlet on your generator, create a properly bonded power source for your RV Note: please check the manual of your generator to make sure it was designed with a floating neutral