ANSI Y32.9-1972 American National Standard Graphic Symbols for Electrical Wiring and Layout Diagrams Used in Architecture and Building Construction -Description

Content

• Introduction
• I1 Scope
• I2 Referenced Documents
• I3 Definitions and General Requirements
• • I3.1 Drafting Practices Applicable to Graphic Symbols
  • I3.2 Explanation Supplementing the Schedule of Symbols
  • • I3.2.1 General
    • I3.2.2 Lighting Outlets
    • I3.2.3 Signaling Systems
    • I3.2.4 Power Equipment
    • I3.2.5 Symbols Not Included in This Standard.
• I4 Similar or Identical Graphic Symbols
• I5 Graphic Symbols Used in Existing Technical Documents or Drawings
• I6 List of Electrical Wiring Symbols
• List of Symbols
• 1. Lighting Outlets
• • 1.1 Surface or Pendant Incandescent, Mercury-Vapor, or Similar Lamp Fixture
  • 1.2 Recessed Incandescent, Mercury-Vapor, or Similar Lamp Fixture
  • 1.3 Surface or Pendant Individual Fluorescent Fixture
  • 1.4 Recessed Individual Fluorescent Fixture
  • 1.5 Surface or Pendant Continuous-Row Fluorescent Fixture
  • 1.6 Recessed Continuous-Row Fluorescent Fixture
  • 1.7 Bare-Lamp Fluorescent Strip
  • 1.8 Surface or Pendant Exit Light
  • 1.9 Recessed Exit Light
  • 1.10 Blanked Outlet
  • 1.11 Junction Box
  • 1.12 Outlet Controlled by Low-Voltage Switching When Relay Is Installed in Outlet Box
• 2. Receptacle Outlets
• • 2.1 Single Receptacle Outlet
  • 2.2 Duplex Receptacle Outlet
  • 2.3 Triplex Receptacle Outlet
  • 2.4 Quadruplex Receptacle Outlet
  • 2.5 Duplex Receptacle Outlet—Split Wired
  • 2.6 Triplex Receptacle Outlet—Split Wired
  • 2.7 Single Special-Purpose Receptacle Outlet
  • 2.8 Duplex Special-Purpose Receptacle Outlet
  • 2.9 Range Outlet (typical)
  • 2.10 Special-Purpose Connection or Provision for Connection
  • 2.11 Multioutlet Assembly
  • 2.12 Clock Hanger Receptacle
  • 2.13 Fan Hanger Receptacle
  • 2.14 Floor Single Receptacle Outlet
  • 2.15 Floor Duplex Receptacle Outlet
  • 2.16 Floor Special-Purpose Outlet
  • 2.17 Floor Telephone Outlet—Public
  • 2.18 Floor Telephone Outlet—Private
  • 2.19 Underfloor Duct and Junction Box for Triple, Double, or Single Duct System (as indicated by the number of parallel lines)
  • 2.20 Cellular Floor Header Duct
• 3. Switch Outlets
• • 3.1 Single-Pole Switch
  • 3.2 Double-Pole Switch
  • 3.3 Three-Way Switch
  • 3.4 Four-Way Switch
  • 3.5 Key-Operated Switch
  • 3.6 Switch and Pilot Lamp
  • 3.7 Switch for Low-Voltage Switching System
  • 3.8 Master Switch for Low-Voltage Switching System
  • 3.9 Switch and Single Receptacle
  • 3.10 Switch and Double Receptacle
  • 3.11 Door Switch
  • 3.12 Time Switch
  • 3.13 Circuit Breaker Switch
  • 3.14 Momentary Contact Switch or Pushbutton for Other Than Signaling System
  • 3.15 Ceiling Pull Switch
• 4. Signaling System Outlets (Institutional, Commercial, and Industrial Occupancies)
• • 4.1 Nurse Call System Devices (any type)
  • • 4.1.1 Nurses' Annunciator
    • 4.1.2 Call Station, Single-Cord, Pilot Light
    • 4.1.3 Call Station, Double-Cord, Microphone-Speaker
    • 4.1.4 Corridor Dome Light, one lamp
    • 4.1.5 Transformer
    • 4.1.6 Any Other Item on Same System
  • 4.2 Paging System Devices (any type)
  • • 4.2.1 Keyboard
    • 4.2.2 Flush Annunciator
    • 4.2.3 Two-Face Annunciator
    • 4.2.4 Any Other Item on Same System
  • 4.3 Fire Alarm System Devices (any type)
  • • 4.3.1 Control Panel
    • 4.3.2 Station
    • 4.3.3 10-inch Gong
    • 4.3.4 Pre-Signal Chime
    • 4.3.5 Any Other Item on Same System
  • 4.4 Staff Register System Devices (any type)
  • • 4.4.1 Phone Operators' Register
    • 4.4.2 Entrance Register-Flush
    • 4.4.3 Staff Room Register
    • 4.4.4 Transformer
    • 4.4.5 Any Other Item on Same System
  • 4.5 Electric Clock System Devices (any type)
  • • 4.5.1 Master Clock
    • 4.5.2 12-inch Secondary-Flush
    • 4.5.3 12-inch Double Dial-Wall Mounted
    • 4.5.4 18-inch Skeleton Dial
    • 4.5.5 Any Other Item on Same System
  • 4.6 Public Telephone System Devices (any type)
  • • 4.6.1 Switchboard
    • 4.6.2 Desk Phone
    • 4.6.3 Any Other Item on Same System
  • 4.7 Private Telephone System Devices (any type)
  • • 4.7.1 Switchboard
    • 4.7.2 Wall Phone
    • 4.7.3 Any Other Item on Same System
  • 4.8 Watchman System Devices (any type)
  • • 4.8.1 Central Station
    • 4.8.2 Key Station
    • 4.8.3 Any Other Item on Same System
  • 4.9 Sound System (any type)
  • • 4.9.1 Amplifier
    • 4.9.2 Microphone
    • 4.9.3 Interior Speaker
    • 4.9.4 Exterior Speaker
    • 4.9.5 Any Other Item on Same System
  • 4.10 Other Signal System Devices
  • • 4.10.1 Buzzer
    • 4.10.2 Bell
    • 4.10.3 Pushbutton
    • 4.10.4 Annunciator
    • 4.10.5 Any Other Item on Same System
• 5. Residential Occupancies
• • 5.1 Pushbutton
  • 5.2 Buzzer
  • 5.3 Bell
  • 5.4 Combination Bell-Buzzer
  • 5.5 Chime
  • 5.6 Annunciator
  • 5.7 Electric Door Opener
  • 5.8 Maid"s Signal Plug
  • 5.9 Interconnection Box
  • 5.10 Bell-Ringing Transformer
  • 5.11 Outside Telephone
  • 5.12 Interconnecting Telephone
  • 5.13 Radio Outlet
  • 5.14 Television Outlet
• 6. Panelboards, Switchboards, and Related Equipment
• • 6.1 Flush-Mounted Panel Board and Cabinet
  • 6.2 Surface-Mounted Panel Board and Cabinet
  • 6.3 Switchboard, Power Control Center, Unit Substations (should be drawn to scale)
  • 6.4 Flush-Mounted Terminal Cabinet
  • 6.5 Surface-Mounted Terminal Cabinet
  • 6.6 Pull Box
  • 6.7 Motor or Other Power Controller
  • 6.8 Externally Operated Disconnection Switch
  • 6.9 Combination Controller and Disconnection Means
• 7. Bus Ducts and Wireways
• • 7.1 Trolley Duct
  • 7.2 Busway (Service, Feeder, or Plug-in)
  • 7.3 Cable Through, Ladder, or Channel
  • 7.4 Wireway
• 8. Remote Control Stations for Motors or Other Equipment
• • 8.1 Pushbutton Stations in General
  • 8.2 Float Switch—Mechanical
  • 8.3 Limit Switch—Mechanical
  • 8.4 Pneumatic Switch—Mechanical
  • 8.5 Electric Eye—Beam Source
  • 8.6 Electric Eye—Relay
  • 8.7 Thermostat
• 9. Circuiting
• • 9.1 Wiring Concealed in Ceiling or Wall
  • 9.2 Wiring Concealed in Floor
  • 9.3 Wiring Exposed
  • 9.4 Branch Circuit Home Run to Panel Board
  • • 9.4.1 Applications:
  • 9.5 Empty Raceway
  • 9.6 Wiring Turned Up
  • 9.7 Wiring Turned Down
• 10. Electrical Distribution or Lighting Systems, Underground
• • 10.1 Manhole
  • 10.2 Handhole
  • 10.3 Transformer Mmnhole or Vault
  • 10.4 Transformer Pad
  • 10.5 Underground Direct Burial Cable
  • 10.6 Underground Duct Line
  • 10.7 Street Light Standard Fed from Underground Circuit
• 11. Electrical Distribution or Lighting Systems, Aerial
• • 11.1 Pole
  • 11.2 Pole, with Street Light
  • 11.3 Pole, with Down Guy and Anchor
  • 11.4 Transformer
  • 11.5 Transformer, Constant-Current
  • 11.6 Switch, Manual
  • 11.7 Circuit Recloser, Automatic
  • 11.8 Line Sectionalizer, Automatic
  • 11.9 Circuit, Primary
  • 11.10 Circuit, Secondary
  • 11.11 Circuit, Series Street Lighting
  • 11.12 Down Guy
  • 11.13 Head Guy
  • 11.14 Sidewalk Guy
  • 11.15 Service Weather Head
• Annex A Revised or Deleted Symbols

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