Reel hoist interlock system

An overhead crane comprising:

• one or more supporting rails;
• a gantry moveably disposed on the one or more supporting rails;
• at least two reel hoists disposed on the gantry, wherein each of the one or more reel hoists are configured to raise and lower a cable to lift an object;
• at least two hooks disposed on the cable, wherein the one or more hooks are configured to secure the cable to the object;
• a sensor disposed in each of the at least two hooks, wherein the sensor provides a signal indicative of whether the hook is secured to the object, wherein the sensor is disposed in an opening located on a bottom portion of the hook and wherein the opening extends through the bottom portion the hook;
• a transmitter in communication with the sensor, wherein the transmitter receives and transmits the signal provided by sensor;
• a controller configured to operate the overhead crane based on an input signal received from a remote and based on the signal received from the transmitter;
• and
• at least two indicator lights operated by the controller based on at least one of the signals received by the at least one transmitters and the input signal.