The 5-15R has to be for mandatory troubleshooter's coffee-pot power/loadbank.

Doesn’t the ~6AWG-solid-looking white {RHW?} groundage electrode conductor passing over the front of the contactor look particularly inviting?

Missing is the obligatory chained-down laminated-fishpaper fuse pullers for operating the “service disconnecting means.”

Maybe a disclaimer is needed on the front cover—“Non-Deadfront/Non-Touchsafe within.”