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By: Mr. Brock.  Electricity- Source of energy that can be easily converted into light, heat or power  Ampere (Amp)- Unit of measure of the rate of flow.

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Presentation on theme: "By: Mr. Brock.  Electricity- Source of energy that can be easily converted into light, heat or power  Ampere (Amp)- Unit of measure of the rate of flow."— Presentation transcript:

1 By: Mr. Brock

2  Electricity- Source of energy that can be easily converted into light, heat or power  Ampere (Amp)- Unit of measure of the rate of flow of electricity through a wire  Volt- unit of measure of electrical pressure

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4  National Electrical Code- handbook that sets the minimum standards for electrical wiring (Revised every 3 years)  Underwriters Laboratory (UL)- a laboratory that tests electrical wiring materials. A UL stamp ensures the product meets the minimum safety standards.

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6  Circuit- complete path through which electricity flows; from power source to lamp and back to source  Fuse- safety device which burns through when current becomes too great  Circuit Breaker- safety device that trips rather than burning

7  Conductors- wires through which electricity flows  Service Entrance Panel (SEP)- panel located inside the house from which every circuit branches  Ground Fault Circuit Interrupter- protects form shock, can be installed at SEP or on receptacle

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9  Branch Circuit- circuit between last breaker and one or more outlets  Feeder Circuit- circuit between the SEP and the fuse or circuit breaker protecting a branch circuit  Conduit- thin walled steel pipe used to protect electrical wires  Short Circuit- improper connection between the hot and neutral wires or between hot wires

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11  The trip level of a GFCI is between 4 and 6 milliamps (thousandths of a amp)  GFCI disconnects in as little as 1/40 th of a second  GFCI disconnects circuits in situations where a breaker or fuse would not

12  1) Within 6 feet of a sink  2) In garages except where not accessible  3) Unfinished basements  4) Crawl Spaces  5) Boathouses  6) Bathrooms

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14 1) Single Pole- used for 120 circuits 2) Double Pole- used for 240 circuits

15  Most kitchen appliances  Ex: toaster, blender, garbage disposer, dish washer, freezer, refrigerator  Clothes Washer  Portable Heater  Hair Dryer  Electric Drills  Lamps  Electric Razor

16  Air conditioner  Large Water Heater

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18  Watts= Volts x Amps  Volts= Watts Amps  Amps= Watts Volts

19  100 watts and 120 volts, How many Amps?  0.83  120 volts and 2 amps, How many Watts?  240  1 amp and 115 watts, How many Volts?  115


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