[RE-wrenches] GFDI requirements

[jay]

HI All,

I’ve got a question about GFDI requirements and do they apply to the following. 

Here is the project.

1. water pumping DC direct grundfos SQFLex 

2. no humans anywhere around

3. no buildings or living structures

4. would be 3 pole mounts:  each mount as 1 string, so 3 strings.
2019 code  690.41 B2 says that 2 modules in parallel without humans involved doesn’t need GFDI

5. system would be solidly grounded.

So what is the requirement for needing GFDI on this project?

thanks

jay