Instead of attaching all of the wires directly to the J560 receptacle, they are attached permanently in the bottom of the box, connected to a central outlet.
Tramec Sloan 38521 Smart Box Surface Mount Box & Split Pin Receptacle
Tramec Sloan 36231 Cast Iron Swing Away Gladhand, Emergency, Rubber Seal
Tramec Sloan 36131 Cast Iron Swing Away Gladhand, Service, Rubber Seal
Tramec Sloan 452000 Air Brake Hose Assembly Display Rack
Tramec Sloan 441004 Lever Style Shut Off Gladhand, Aluminum, Service, Rubber Sea
Tramec Sloan 441014 Lever Style Shut Off Gladhand, Aluminum, Emergency, Rubber S