The socket fits into a plug that is integrated into the cable drum. The line is wound around the spool. The pin end is open for connection to a 110 socket. Then there are 4 sockets controlled by a 10 o'clock circuit breaker to which power tools can be plugged. Stable steel frame with plastic spool. Looks strong and reliable. I wound three 25 foot 16 gauge extensions onto the reel - there was plenty of room. Read their ad for options based on cord gauge.
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