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Questions and Answers
What is the unit of measurement for true power?
What is the unit of measurement for true power?
- V (volts)
- A (amperes)
- VA (volt-amperes)
- W (watts) (correct)
Why is it important to strip a wire to the correct size?
Why is it important to strip a wire to the correct size?
- To reduce the risk of overheating (correct)
- To increase the voltage in the circuit
- To decrease the reactance in the circuit
- To increase the current flow
What is the purpose of grounding in electrical systems?
What is the purpose of grounding in electrical systems?
- To increase the voltage in the circuit
- To decrease the current flow
- To increase the reactance in the circuit
- To reduce the risk of electrical shock (correct)
What is unintentional voltage drop also known as?
What is unintentional voltage drop also known as?
What is the conversion rate for kilowatts (kW) to watts (W)?
What is the conversion rate for kilowatts (kW) to watts (W)?
What is the maximum distance allowed between the HVACR equipment and the disconnect box according to Section 440.14 of NEC?
What is the maximum distance allowed between the HVACR equipment and the disconnect box according to Section 440.14 of NEC?
What is the primary cause of fire and melting of insulation in wiring systems?
What is the primary cause of fire and melting of insulation in wiring systems?
What is the unit of measurement for capacitive reactance?
What is the unit of measurement for capacitive reactance?
What is the primary function of a Ground Fault Circuit Interrupter (GFCI)?
What is the primary function of a Ground Fault Circuit Interrupter (GFCI)?
What is the relationship between the American Wire Gauge (AWG) number and the diameter of a wire?
What is the relationship between the American Wire Gauge (AWG) number and the diameter of a wire?
What is the purpose of a thermistor in a wiring system?
What is the purpose of a thermistor in a wiring system?
What is the term for when a circuit has more than one AC?
What is the term for when a circuit has more than one AC?
What is the primary function of a circuit breaker?
What is the primary function of a circuit breaker?
What occurs when a person touches a live circuit and becomes a conductor?
What occurs when a person touches a live circuit and becomes a conductor?
What is the purpose of a fuse in a circuit?
What is the purpose of a fuse in a circuit?
What is the term for a circuit that is powered by a source no greater than 30V and 1000V?
What is the term for a circuit that is powered by a source no greater than 30V and 1000V?
What electrical property opposes changes in current?
What electrical property opposes changes in current?
What is the formula for electrical power?
What is the formula for electrical power?
What is the purpose of bonding in electrical systems?
What is the purpose of bonding in electrical systems?
What is the color of the wire used for grounding?
What is the color of the wire used for grounding?
What is the difference between power input and output called?
What is the difference between power input and output called?
What is the purpose of circuit protection devices?
What is the purpose of circuit protection devices?
What is the type of voltage that is typically used in residential homes?
What is the type of voltage that is typically used in residential homes?
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