| A | B |
|---|
| Battery:Device that changes chem energy into elec energy. |  |
| Fixed Capacitor:2 conducting surfaces separated by an insulator that stores elect energy. |  |
| Conductor Connected: Wires suitable for carrying an electrical current is on. |  |
| Conductor Not Connected: Wires suitable for carrying an elect. current is off |  |
| Fuse:Device in the conductive path with a melting point coordinated to load current. |  |
| Ground:Conducting connection, which an electric circuit, the earth. |  |
| Inductor Air Coil: Wound wire creating a magnetic field which does not use iron to achieve inductance. |  |
| Fuse:Device in the conductive path with a melting point coordinated to load current. |  |
| Fusible Link:A short section of wire that melts to interrupt the circuit when current is exceeded. |  |
| Rectifier (Diode):A semiconductor device which allows current to flow through it in only one direction. |  |
| Shielded Cable:High voltage power cable enclosed in a non-magnetic conducting envelope. |  |
| Inductor Iron core:Coil of wire with a metallic or ferrite core that create a magnetic field when energized. |  |
| Lamp Incandescent:Produces light by heating filament. Higher temperatures produce more light. |  |
| Line Connection: Line to line connection used for high power appliances. |  |
| Motor Single Phase:Alternating devices needing a starting capacitor or switch .Used for small appliances. |  |
| Motor Three Phase: Device with 3 windings that runs on A.C. to magnetize the windings to turn the rotor. |  |
| Resistor Fixed:Used to reduce the flow of electric current. Value can not be changed. |  |
| Thermal Overload Coil:Device preventing an electric motor from drawing too much current and overheating. |  |
| Thermistor:resistors with a negative (NTC), or positive (PTC) resistance/temperature coefficient. |  |
| Bell Alarm:Switch with a circuit breaker actuated to closed condition in response to tripping of the circuit. |  |
| Horn Alarm: Switch with a circuit breaker actuated to closed condition in response to tripping of the circuit. |  |
| Thermocouple:Temperature sensor used to convert thermal potential difference into electrical. |  |
| Resistor Variable:Reduces the flow of elec current. Resistance track, end connections and a wiper which moves when the spindle turns. |  |
| Solenoid:A cylindrical spiral of conducting wire. Electric current creates turns = to a parallel circuits. |  |
| Transformer Air Core: Coils of wire wound on a form with no core.Transfers energy from by magnetic coupling. |  |
| Transformer Iron Core: Transfers energy at low frequencies with a core of low-reluctance magnetic material. |  |
| Voltmeter:A device used to measure the voltage drop. |  |
| Wattmeter: pair of fixed coils and a movable coil used to measure electrical power. |  |
| Connector-male:Mechanism used to unite two pieces of cable both physically and electrically. |  |
| Connector-female: Mechanism used to unite two pieces of cable both physically and electrically. |  |
| Engaged |  |
| 4 conductor |  |
| Pressure.Vacuum Switch NO:Pressure changes ,opens/ closes one or more electrical switching elements. |  |
| Pressure.Vacuum Switch NC:Pressure changes ,opens/ closes one or more electrical switching elements. |  |
| Liquid Level Switch NO: Sense the level of liquid within a tank. The switch actuates a device. |  |
| Liquid Level Switch NC: Sense the level of liquid within a tank. The switch actuates a device. |  |
| Flow Switch NO:Pressure chansge generated by flow actuates an electrical switch. |  |
| Flow Switch NC:Pressure chansge generated by flow actuates an electrical switch. |  |
| Timed Contacts NC:Timing based techniques rely on adding sufficient delays to prevent bounce being detected |  |
| Timed Contacts NO:Timing based techniques rely on adding sufficient delays to prevent bounce being detected |  |
| Single Pole Throw Switch:Makes or breaks the connection of one conductor and controls one load from one location. |  |
| Double Pole Single Throw Switch:Makes or breaks the connection of two conductors of a single branch circuit. |  |
| Double Pole Double Throw Switch:A mechanical device used to open and close two circuits. |  |
| Temp Activated Switch NC: Upon the temperature changes, opens/closes electrical switching elements. |  |
| Temp Activated Switch NO: Upon the temperature changes, opens/closes electrical switching elements. |  |
| Three Position Switch |  |
| State where current flows until the plunger pin is actuated to open the electrical circuit. | Normally Closed |
| State where current flows until the plunger pin is actuated to close the electrical circui | Normally Open |
