Hello:

Relative to the standard 4 inch x 2 inch electrical gang (switch) box
that is sized to hold one room on-off wall switch nicely, have the following
question:

Per the Code, what is the maximum number of wires allowed inside ?

Or, is it (also) based on the maximum number of wire nuts allowed ?

Or,... ?

Would like to use it correctly; not much room in it for anything.

Thanks,
B.