Less Than 1 ft (0.3 m) – Trafton Manufacturing Group

A nice touch is the simple design, and you will find that it is a surge protector too.

NEWEST MODEL SIEMENS BOLTSHIELD WHOLE HOME SURGE PROTECTOR 35kA 120V QSPD2A035B

It looks like a normal breaker, but you will find that it is a surge protector for sensitive electronics.