Gidday Bill,
Now there's an angle that I never thought of, thanks for that!.
It's just like people over here, pulling the battery out because of the Low Batt alarm, and not replacing the battery.
What the dedicated circuit idea was for, I think, was to save the S/A's being lumped in with the lighting circuits.
If only there was a way that good excess-current protection could be assured, but at the same time, making the thing tamper-proof. [Linked Image]