larry cad wrote:
All the grounds tie together. Keep in mind that a 2000 watt inverter can only supply about 15-16 amps. A #14 wire can carry that much so your concerns about overloading a neutral are unfounded. However, feeding half of your breaker panel is not necessarily wise. That is why most times the inverter has a separate feed from a 20 amp breaker in the panel, and the output from the inverter is fed to a "sub" panel. Keep in mind that your original panel is also a "sub" panel, meaning the ground and neutral are NOT bonded together in your panel because the ONLY permitted bond occurs at the campground service panel. Hope this helps.
Larry, yes, the neutral and ground bars are not currently bonded and they will stay that way. Regarding the current level, there could potentially be more than the 15-16 amps -- when NOT inverting (when connected to shore power) the current still passes through the inverter to get to the breaker panel, and that could theoretically be up to 50 amps.
Why is feeding half the breaker panel not wise? The method is described by Jack Mayer in the "Splitting" a 50-ampere Load Center here: http://www.jackdanmayer.com/Wiring.html . He warns against it if the inverter only has a 30 amp transfer switch, but my Victron MultiPlus has a 50 amp switch so that's not a concern.
