Competency: 203.00 Draw Electrical Plans - PowerPoint PPT Presentation

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Competency: 203.00 Draw Electrical Plans

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Competency: 203.00 Draw Electrical Plans Objective: 203.05 Identify terms and symbols used to indicate electrical fixtures. Objective: 203.06 Demonstrate the rules ... – PowerPoint PPT presentation

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Title: Competency: 203.00 Draw Electrical Plans


1
Competency 203.00 Draw Electrical Plans
  • Objective 203.05
  • Identify terms and symbols used to indicate
    electrical fixtures.
  • Objective 203.06
  • Demonstrate the rules and standards for
    electrical fixture placement.

2
Switches
  • Single pole
  • 3 way
  • 4 way
  • Weather proof
  • Dimmer
  • Special
  • Branch circuits/Switch leg connectors

3
Convenience Outlets
  • Duplex receptacle
  • Split wired
  • Special purpose
  • 220volt
  • Weather proof
  • Ground Fault Interrupt (GFI)

4
Lighting
  • Incandescent
  • Fluorescent
  • Special
  • Recessed

5
Verify Fixture Placement
  • Outlets
  • Lights
  • Switches and switch leg connectors
  • Miscellaneous fixtures
  • Exhaust fan
  • Ceiling fan
  • TV
  • Telephone
  • Smoke detector
  • Chimes/Bells/Buzzers

6
Miscellaneous
  • Exhaust fan
  • Room air circulating fan
  • Telephone
  • TV antenna outlet
  • Chimes
  • Smoke detector
  • Thermostat

7
Placement of Switches
  • Each room MUST have at least one light controlled
    by a switch
  • Latch side of door/entrance
  • Outside of closets
  • Hallways, stairs, garage lighting controlled from
    both ends (3-way)
  • Multiple switches for large rooms (3-way)

8
Placement of Outlets
  • Furniture/Appliance Considerations
  • Living Service areas
  • One outlet per 6 of wall
  • No further than 6 from each corner
  • Kitchen area
  • One outlet per 4 of wall
  • Each appliance should have an outlet
  • Hallways
  • Every 15 of wall

9
Placement of Outlets
  • Bathrooms
  • At least two outlets
  • One above sink or counter
  • Weatherproof outlets
  • Each side of exterior
  • Position for decorative lighting
  • At least one outlet in attic crawl space
  • Ground Fault outlets
  • Near water sources

10
Placement of lights
  • Sufficient foot-candles for each room
  • Illumination for desired activities
  • Lighting over dining table
  • Exterior
  • General illumination and decoration
  • Motion detectors for security
  • Waterproof
  • Lighting for stairs and halls

11
Electrical Fixture Plan
  • Shows approximate fixture placement
  • Circuit design not included
  • Electrical loads not considered
  • Fixtures may be shown on Floor Plan
  • Avoid crowding
  • Using CAD
  • Layers created for various details

12
Electrical Symbols
  • Drawn in approximate locations
  • Standard placement
  • Switches 48 high
  • Outlets 12 high
  • Note dimensional changes with symbol when
    placement varies from standard

13
Electrical Symbols
  • Connect symbols for switches to fixtures with
    switch leg connector symbol
  • Provide symbol legend
  • Dimensions not provided except in special
    situations
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