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The Electrical PlanThe Electrical PlanChapter 31

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Electrical PowerElectrical Power

Energy Sources:Energy Sources:y Windy

Watery Nucleary Fossil Fuely Geothermaly Solar (photovoltaic)

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Electrical PowerElectrical Power Generators convert movement into

electricity

Transformers step up voltage for

transmission by wires

Transformers step down voltage fordistribution to customers

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Branch CircuitsBranch Circuits

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FootcandleFootcandleLight intensity is measured in units called footcandles.

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Receptacles and OutletsReceptacles and Outletsy Convenience receptacles

Small appliances and lampsy Lighting outlets

Controlled by switch

y Special purpose

One electrical device

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What is a Switch?What is a Switch?

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What is shown on the ElectricalWhat is shown on the Electrical

Plan DrawingPlan Drawingy Receptacle

y Switchesy Lights

y Smoke Alarms

y Thats All

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What is shown on the ElectricalWhat is shown on the Electrical

Plan DrawingPlan Drawing

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What is shown on the ElectricalWhat is shown on the Electrical

Plan DrawingPlan Drawing

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What is shown on the ElectricalWhat is shown on the Electrical

Plan DrawingPlan Drawing

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What is shown on the ElectricalWhat is shown on the Electrical

Plan DrawingPlan Drawing