PV wires and Grounding?

[Superman_006]

Bonding does not mean connecting a ground wire to the frame of the array...
Bonding is connecting the neutral wire to the ground wire in a main circuit breaker box. It is connected in one place and only one place. This is standard in the US, Europe is different.

I read it as on the DC side. If you have a transformer in you're inverter you would bond the ground (-) to the array like in a vehicle... Or Positive (+) . On the AC side, ground bonding I believe it means connecting the neutral bus bar and ground together in you're main box.

My panel is ground bonded and I am going to hook a transformer less inverter to it and the AC side will still be bonded. The DC will only have an equipment ground on it.

[Salience]

...Bonding is connecting the neutral wire to the ground wire in a main circuit breaker box. It is connected in one place and only one place. This is standard in the US, Europe is different.

Yoikes! Better not ground the neutral in France! Forbidden and dangerous. You should definitely enquire in your location whether this is possible or even useful.

[Salience]

Anyone grounding the BATTERY negative?

[NewBostonConst]

I read it as on the DC side. If you have a transformer in you're inverter you would bond the ground (-) to the array like in a vehicle... Or Positive (+) . On the AC side, ground bonding I believe it means connecting the neutral bus bar and ground together in you're main box.

My panel is ground bonded and I am going to hook a transformer less inverter to it and the AC side will still be bonded. The DC will only have an equipment ground on it.

Not sure it is wise to use car logic on a house. Over the years cars have transitioned to be more like houses. The body isn't used as much as a conductor like it used to be. The body is mostly grounded now a days to prevent static build up and people from getting shocked or exploded while filling their tank with gas.

Having multiple ground connections causes electrical noise in circuits and also can cause current to flow in ground cables which is a big no no in houses....

[Superman_006]

Not sure it is wise to use car logic on a house. Over the years cars have transitioned to be more like houses. The body isn't used as much as a conductor like it used to be. The body is mostly grounded now a days to prevent static build up and people from getting shocked or exploded while filling their tank with gas.

Having multiple ground connections causes electrical noise in circuits and also can cause current to flow in ground cables which is a big no no in houses....

I was using DC voltage logic to compare DC voltage. Cars are DC, houses are AC... The inverter is using DC and creating AC.

The body ground is definitely still used in cars and your car stilling of 4 rubber tires would require a ground strap to discharge any static electricity. Static electricity is also not DC or AC since there in no flow. Many of the chemical plants and local mines here require you're vehicle to have ground strap when entering their facility which is just a special strap that connects to the body of your car and drags the actual ground which conducts static electricity.... to prevent all that exploding stuff you talking about.


Also in the US it is common for split phase system to be ground bonded but only in the main panel, its actually required in my location... This is where there is a jumper, screw, bracket or something that connects your neutral bus bar to you ground in you panel. This does not mean you connect the N and G at the outlets or that you are carrying current thru your ground wire. Its incase you have a fault at the outlet (hot wire to ground) the current can actually flow thru the ground wire- to the earth- to ground wire on the transformer- and back to the hot wire and not trip the breaker