Generator plug CS6365 reduced with 30A circuit breaker to an L14-30, 4 prong, twist lock receptacle

Run a device with a 30A L14-30 4 prong twist lock plug on a 50Amp Outlet.

Commonly used when you have a generator with only 50A CS6356 or above outlets and you have a machine running a 30A plug. This box protects the 30A device at 30A instead of allowing 50A to pass through to the 30A device. Also known as a spyder box or distribution box or a spyder box