12. In electrical wiring, a black colored wire in an alternating current circuitusually
indicates;
Answer the hot conductor.
13. Fuses are sized by
Answer Volts & Amps
14. What would be the result, if a 24 volt, 20-ohm low voltage conta ctor coil were wired
in series with a 24 volt, 200-ohm control relay coil?
Answer Only the controlrelay would operate.
15. Three defrost heaters, each 15 ohms are wired in parallel to a 120 voltpower
supply. How many watts of power will be used?
Answer 2880 Watts
16. Which of the following is generally considered to be within the maximumallowable
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