16.1_Electrical%20rev

16.1_Electrical%20rev - Division16Electrical Today...

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Division 16 - Electrical
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Today Division 16
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Division 16 - Electrical Energy consumption has increased 10  fold in the last 50 years in the US. Key to energy design is to design  efficiently – reduce waste and  unnecessary over design.
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Built Environments Impacts Buildings consume 37% energy and  68% electricity in U.S. Fossil fuels (oil/coal) require  extraction,  transportation, refining, power  generation and distribution. Consequences of climate change. Must consider a building’s energy load  as a whole and integrate energy- efficiency systems.
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US Power Sources
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Division 16 - Electrical System design is crucial. System must account for supply side  into the building known as “Service  Drop.”  “Drops” throughout the project  are based on the initial supply point.
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Legend
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n ot e
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Electrical System Design Similar to plumbing: Determine supply. Determine current and future need or  loads. Design system. Design conduit runs within architectural  plan. Coordinate drawings and layout.
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Electrical Terms Current or Volts Two general types of batteries – Wet-cell (electrolyte = type of acid) Charges faster and lasts longer Used with higher amps Dry-cell (uses a solid medium to transfer  electron) Circuit – Uninterrupted path from  negative to positive terminals. Voltage – similar to water pressure.
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Electrical Terms Amperage – Rate (quantity/time) of flow of  electrical current.  1 amp physically means  that 6.24 x 10 18  electrons move through a  wire every second. Resistance – Similar to internal friction in 
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This note was uploaded on 02/12/2010 for the course BCN 1210 taught by Professor Fobair during the Spring '09 term at University of Florida.

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16.1_Electrical%20rev - Division16Electrical Today...

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