This document provides descriptions and illustrations of various standard electrical symbols used in schematics and diagrams. It includes symbols for outlets, switches, panelboards, lighting fixtures, transformers, feeders, underground wiring, and devices for signaling and data systems. The symbols represent components of electrical distribution systems for residential, commercial, industrial and lighting applications. Variations in the standard symbols are denoted by additional lowercase letters.

1. ELECTRICAL SYMBOLS . . .
B
PSPS
LL
J J
D
BB
WALL
W WW
C CC
B BB
R
DW
C
F
FLOOR SPECIAL-
PURPOSE OUTLET
a.b
a.b
a.b
CIRCUIT BREAKER
WEATHERPROOF
WFSWITCH
WEATHERPROOF FUSED
CEILING PULL SWITCH
RECEPTACLE
SWITCH AND DOUBLE
T
F
WP
RC
DM
WCB
CB
K
D
4
3
BUSWAY
OR PLUG-IN
SERVICE, FEEDER,
LADDER OR
CHANNEL
CABLE THROUGH
OUTLET
FLOOR DUPLEX RECEPTACLE
OUTLET
FLOOR SINGLE RECEPTACLE
TELEVISION CAMERA
CLOSED-CIRCUIT
CONNECTION
SPECIAL-PURPOSE
RECEPTACLE OUTLET
DUPLEX SPECIAL-PURPOSE
RECEPTACLE OUTLET
SINGLE SPECIAL-PURPOSE
RECEPTACLE OUTLET
SPLIT-WIRED TRIPLEX
SPLIT-WIRED DUPLEX
RECEPTACLE OUTLET
UNDERFLOOR DUCT AND
JUNCTION BOX FOR TRIPLE,
DOUBLE, OR SINGLE DUCT
SYSTEM AS INDICATED BY
NUMBER OF PARALLEL LINES
EQUIPMENT
VARIATION IN STANDARD
USED TO DESIGNATE A
SUBSCRIPT LETTER IS
AN ADDED LOWERCASE
A STANDARD SYMBOL WITH
SWITCH AND SINGLE
RECEPTACLE
SURFACE-MOUNTED
AND CABINET
PANELBOARD
FLUSH-MOUNTED
PANELBOARD
AND CABINET
FIXTURE
FLUORESCENT
CONTINUOUS
LIGHTING TRACK FIXTURE
FLUORESCENT
OUTLET BOX AND
FLUORESCENT FIXTURE
SURFACE-MOUNTED
FLUORESCENT FIXTURE
INDIVIDUAL
WITH CHARGER
EMERGENCY BATTERY PACK
ASSEMBLY
MULTIPLE FLOODLIGHT
WITH PULL SWITCH
LAMPHOLDER
OUTDOOR POLE-MOUNTED
FIXTURES
DENOTE FACES.
BOX. SHADED AREAS
EXIT LIGHT AND OUTLET
TRACK LIGHTING
INCANDESCENT
OUTLET BOX
AND INCANDESCENT
LIGHTING FIXTURE
FAN HANGER RECEPTACLE
CLOCK HANGER RECEPTACLE
RANGE OUTLET
TRIPLEX RECEPTACLE OUTLET
DUPLEX RECEPTACLE OUTLET
SINGLE RECEPTACLE OUTLET
WIREWAY
2
DIMMER
REMOTE CONTROL SWITCH
WEATHERPROOF SWITCH
FUSED SWITCH
TIME SWITCH
CIRCUIT BREAKER
KEY-OPERATED SWITCH
AUTOMATIC DOOR SWITCH
FOUR-WAY SWITCH
THREE-WAY SWITCH
DOUBLE-POLE SWITCH
SINGLE-POLE SWITCH
JUNCTION BOX
DROP CORD
BLANKED OUTLET
CEILING
SWITCH OUTLETSCONVENIENCE OUTLETSLIGHTING OUTLETS
PANELBOARDS
BUSDUCTS AND WIREWAYS
©1999 American Technical Publishers, Inc.

2. . . . ELECTRICAL SYMBOLS
PAGING SYSTEM DEVICE
FIRE ALARM
SYSTEM DEVICE
SYSTEM DEVICE
COMPUTER DATA
SYSTEM DEVICE
PRIVATE TELEPHONE
SOUND SYSTEM
CONTROL PANEL
FIRE ALARM
PUSHBUTTON
BUZZER
BELL
THERMOSTAT
TELEVISION OUTLET
CHIME
ELECTRIC DOOR OPENER
COMPUTER DATA OUTLET
COMBINATION
BELL AND BUZZER
TRANSFORMER
BELL RINGING
SERVICE WEATHERHEAD
SIDEWALK GUY
HEAD GUY
DOWN GUY
SECONDARY CIRCUIT
PRIMARY CIRCUIT
STREET LIGHT
POLE
MANHOLE
TRANSFORMER-
MANHOLE OR VAULT
HANDHOLE
UNDERGROUND
DIRECT BURIAL CABLE
UNDERGROUND
STANDARD FED FROM
STREET LIGHT
LIGHTING PANEL
IN CEILING OR WALL
WIRING CONCEALED
POWER PANEL
WIRING CONCEALED
IN FLOOR
WIRING EXPOSED
PULL BOX
CONTROLLER
TRANSFORMER
INSTRUMENT (SPECIFY)
MOTOR
GENERATOR
WIRING TURNED DOWN
WIRING TURNED UP
DISCONNECT SWITCH
EXTERNALLY-OPERATED
UNDERGROUND CIRCUIT
DUCT LINE
TRANSFORMER PAD
AND BRACKET
Use heavy lines and
designate by number
corresponding to
listing in feeder
FEEDERS
schedule
a greater number of wires indicate
indicates a two-wire circuit. For
circuit without such designation
by number of arrows. Any
Indicate number of circuits
PANEL BOARD
HOME RUN TO
as follows: (3 wires)
(4 wires), etc.
G
M
I
T
M
H
TM
TP
FACP
BT
D
CH
TV
T
ABOVE-GROUND
ELECTRICAL DISTRIBUTION
OR LIGHTING SYSTEMS
SIGNALING SYSTEM
OUTLETS FOR
RESIDENTIAL SYSTEMS
PANEL CIRCUITS
AND MISCELLANEOUS
LIGHTING SYSTEMS
DISTRIBUTION OR ELECTRICALINDUSTRIAL SYSTEMS
UNDERGROUND ELECTRICALCOMMERCIAL AND
©1999 American Technical Publishers, Inc.