76 Multiple Choice 1 point Distribution centers typically distribute power to O A small sub-panel in a residential structure Lighting circuits in a commercial building Several places in a large structure Branch circuits in a residential structure 77 `Multiple Choice 1 point Unless updated and replaced, residential structures constructed prior to 1968 are likely to utilize what type of load center? O Single-pole load center Fusible load center O Direct connection load center Breaker panel 78 Multiple Choice 1 point What can a technician use to interpret the meaning of the flashing light codes given by the LED on an integrated furnace control board? All of the choices are correct OO Diagnostic code legend found on the furnace or online from the manufacturer Wiring schematic diagram OO Integrated furnace diagnostic module 79 Multiple Choice 2 points In the heating, cooling, and refrigeration industry, customer relations center around the O Service manager Technician O Equipment manufacturer Contractor 80 Multiple Choice 1 point What is the condition of a contactor coil rated to operate on 24 volts if the coil has a resistance of zero ohms? O Shorted Grounded Good O Open