Electric Heat ESCO - HVAC Excellence Exam | 100 Questions with 100% Correct Answers | Verified | Latest Update 2024

Before working on an electric furnace the tech should - Review diagram, remove jewelry, and follow safety procedures. ALL OF THE ABOVE. A GFCI circuit breaker - detects current leaks to groound the conductor in an electric heat element is usually made of - Nichrome An example of resistive load is - crankcase heater an example of an inductive load is - motor an electric furnace is marked 208/230 single phase 60Hz A tech reads 200 vac at the power supply and determines - the voltage is too low voltage imbalance between any leg of 3 phase power supply may not exceed - 2% the limit switch on an electric furnace is a - Automatic reset switch the sequencer timers on electric heater will usually energize the 1st heating element after a time delay of - 1 to 30 sec the amount of btus produced by 1 watt of electricity is - 3.