01HVAC
Condenser fan motor replacement
Find the fault on a no-cool call, make the unit safe and replace the condenser fan motor.
About 25 minutes
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02HVAC, gas heat
Hot surface igniter
Follow a gas furnace's heating sequence, test the igniter and replace it safely.
About 20 minutes
03Plumbing
Sweat a copper joint
Cut a copper stub to length and solder a coupling with lead-free solder, start to finish.
About 20 minutes
04Commercial refrigeration
Evaporator performance check
Take the readings that tell you how a walk-in cooler's evaporator is performing.
About 20 minutes
05Commercial refrigeration
Grounded compressor diagnosis
Read compressor windings, test to ground with a megohmmeter and make the diagnosis.
About 15 minutes
06Data center
Tripped PDU breaker
Trace cords, work out the load and rebalance a rack PDU before resetting its breaker.
About 15 minutes
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