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HVAC Electrical Symbols Questions And Answers With Verified Solutions Already Passed!!!
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HVAC Electrical Symbols Questions And Answers With Verified Solutions Already Passed!!!
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HVAC Electrical Symbols Questions AndAnswers With Verified Solutions Already
Passed!!!
Battery Multiple cell - ANSWER✔✔ Examples include the lead-acid batteries
used in vehicles and lithium-ion batteries used for portable electronics such as
laptops and mobile phones.
Capacitor - ANSWER✔✔ An electrical device used to store electrical charge.
Conductor - ANSWER✔✔ A device designed to transmit electricity, heat, etc.
Conductor Disconnected - ANSWER✔✔ Removed conductor from circuit
Fuse - ANSWER✔✔ A safety device with a thin metal strip that will melt if too
much current passes through a circuit
Earth Ground - ANSWER✔✔ Used for zero potential reference and electrical
shock protection.
Inductor Coil - ANSWER✔✔ Coil that increases the voltage by generating a self-
induced voltage within itself as a result of their changing magnetic field.
Fusible link - ANSWER✔✔ Connecting link device that fuses or melts when
exposed to heat; used in sprinklers, fire doors, dampers, heat detectors, and
ventilators.
, Relay - ANSWER✔✔ A relay is an electromagnetic switch operated by a
relatively small electric current that can turn on or off a much larger electric
current.
Rectifier (Diode) - ANSWER✔✔ Converts AC to DC
Shielded Cable - ANSWER✔✔ An electric cable enclosed within a metallic sheath
in order to reduce the effect of external electric or magnetic fields
Triac - ANSWER✔✔ A three terminal device used to control the average current
flow to a load.
Inductor (Iron Core) - ANSWER✔✔ An inductor coil with an iron core that
increases the magnetic field and confines it closely to the inductor.
Lamp Incandescent - ANSWER✔✔ The incandescent light is a source of electric
light that works by incandescence, which is the emission of light caused by heating
the filament.
Line Connection - ANSWER✔✔ The wire going from a current source into a
switch. It's upstream of the switched device(s). Line is always hot.
Single-phase AC motor - ANSWER✔✔ A type of ac motor that operates using a
single-phase ac power source
three-phase AC motor - ANSWER✔✔ A type of motor that uses a three-phase ac
power source.
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