ELECTRICAL SYMBOL LEGEND

ELECTRICAL SYMBOL LEGEND

ELECTRICAL SYMBOL LEGEND

– BASIC MATERIALS
– BASIC MATERIALS CONT.
– LIGHTING
– FLUORESCENT STRIP FIXTURE
– FIXTURE DESIGNATION
– FLUORESCENT FIXTURE
– CIRCUIT NUMBER
– NEMA STARTER SIZE
– ENCLOSURE NEMA 1 UNLESS NOTED
– FIRE ALARM/DETECTION SYSTEM
– LIGHTNING PROTECTION SYSTEM
– VARIABLE FREQUENCY DRIVE
– DIRECT DIGITAL CONTROL PANEL
– MOTOR CONNECTION, NUMBER DENOTES HORSEPOWER
– ELECTRIC DUCT HEATER
– POWER CONNECTION TO EQUIPMENT
– C3 = SERVICE ENTRANCE DEVICE
– B3 = DISTRIBUTION BOARD DEVICE
– A3 = PANELBOARD DEVICE
– CABLE TRAY
– JUNCTION BOX
– CONDUIT SEAL-OFF FITTINGS
– SURGE SUPRESSOR
– CLOCK RECEPTACLE
– SPECIAL PURPOSE RECEPTACLE, RATING AS NOTED
– LIGHTING CONTROL TIME CLOCK
– PHOTOCELL, MOUNTED ON ROOF FACING NORTH
– GROUND BAR
– DUPLEX RECEPTACLE
– TWO DUPLEX RECEPTACLES WITH COMMON COVER
– GFI RECEPTACLE. WP DENOTES WEATHERPROOF COVER.
– GFI RECEPTACLE MOUNTED ABOVE COUNTER
– DUPLEX RECEPTACLE WITH TOP HALF SWITCHED
– DUPLEX RECEPTACLE MOUNTED ABOVE COUNTER
– PEDESTAL MOUNTED RECEPTACLE
– TWIST LOCK RECEPTACLE
– DUPLEX RECEPTACLE
– SINGLE POLE KEY SWITCH
– WALL MOUNTED OCCUPANCY SENSOR
– CEILING MOUNTED OCCUPACY SENSOR
– SINGLE POLE SWITCH WITH SECURITY LOCKING KEY
– LOW VOLTAGE SWITCH
– FAN SWITCH
– MANUAL MOTOR STARTER WITH OVERLOAD HEATERS
– THREE-WAY SWITCH
– FOUR-WAY SWITCH
– AR DENOTES AMP RATING OF SWITCH
– AF DENOTES AMP FUSE SIZE
– FUSED DISCONNECT
– TRANSFORMER
– AUTOMATIC TRANSFER SWITCH
– BRANCH CIRCUIT CONDUIT EXPOSED
– GROUND OR GROUND ROD AS NOTED
– CRITICAL BRANCH CONDUIT
– LIFE SAFETY BRANCH CONDUIT
– EQUIPMENT BRANCH CONDUIT
– CONDUIT TURNING UP
– CONDUIT TURNING DOWN
– CONDUIT STUB
– CONDUIT CONTINUED
– FLEXIBLE CONDUIT
– EXISTING TO BE REMOVED
– EXISTING TO REMAIN
– EXISTING AFFECTED BY THIS PROJECT
– FUTURE
– HID, FLUORESCENT, OR INCANDESCENT FIXTURE
– FLUORESCENT, OR INCANDESCENT WALL WASHER.
– BATTERY PACK WITH TWIN HEADS
– WALL MOUNTED EXIT LIGHT FIXTURE
– FLAT ROOF MOUNTED OR MECHANICAL
– THRU-ROOF CONDUCTOR
– CLASS I MAIN CONDUCTOR CABLE
– CLASS II MAIN CONDUCTOR CABLE
– TEE SPLICE
– BONDING PLATE
– PIPE CLAMP FOR PLUMBING VENT THRU ROOF.
– AIR TERMINATION DEVICE
– GROUND TERMINAL
– BONDING CONDUCTOR
– DOWN CONDUCTOR
– COUNTERPOISE CONDUCTOR
– PARAPET MOUNTED AIR TERMINAL
– FIRE ALARM ANNUNCIATOR PANEL – FLUSH MOUNTED
– FIRE ALARM SYSTEM CONDUIT AND WIRING
– FIREMAN’S ELEVATOR WARNING LIGHT
– FIRE ALARM CONTROL PANEL
– FIRE ALARM TERMINAL CABINET
– ELECTROMAGNETIC DOOR HOLD OPEN DEVICE
– FIREMAN’S PHONE JACK
– CD = CANDELA RATING
– FIRE ALARM SPEAKER WITH STROBE
– C = CEILING-MOUNTED
– CD = CANDELA RATING
– CD = CANDELA RATING
– REMOTE FIRE ALARM WITH TEST SWITCH
– INPUT MONITORING MODULE
– SUPERVISED CONTROL RELAY
– R = RETURN
– S = SUPPLY
– DUCT SMOKE DETECTOR
– MANUAL PULL STATION
– SINGLE POLE SWITCH (SUBSCRIPT INDICATES ITEM CONTROLLED)
– SINGLE POLE SWITCH WITH PILOT LIGHT
– SINGLE POLE SWITCH WITH WEATHERPROOF COVER
– SINGLE POLE SWITCH WITH WEATHERPROOF LOCKING COVER
– MANUAL MOTOR STARTER WITH OVERLOAD HEATERS AND PILOT LIGHT
– DIMMER SWITCH (1500 WATTS UNLESS OTHERWISE INDICATED)
– SURGE PROTECTION TYPE (TVSS) DUPLEX RECEPTACLE
– FLOOR OUTLET BOX AND DUPLEX RECEPTACLE WITH APPROPRIATE FLANGE.
– FLOOR OUTLET BOX WITH TWO DUPLEX RECEPTACLES AND ONE COMBINATION W/ VOICE/DATA OUTLET
– DUPLEX RECEPTACLE WITH EACH HALF ON SEPARATE CIRCUIT (BREAKER SHALL BE TWO POLE WITH COMMON TRIP)
– DUPLEX SAFETY RECEPTACLE MOUNT COVERPLATES WITH SPANNER HEAD SCREWS
– SIMPLEX RECEPTACLE (EWC DENOTES ELECTRIC WATER COOLER. COORDINATE WITH EWC INSTALLER FOR MOUNTING HEIGHT)
– TWO DUPLEX RECEPTACLES WITH COMMON COVER MOUNTED ABOVE COUNTER
– ISOLATED GROUND DUPLEX RECEPTACLE, (ORANGE DEVICE)
– TICK MARKS SHOWN ON ANY DEVICE REPRESENTS RECEPTACLE CONNECTED TO THE EMERGENCY CIRCUIT (RED DEVICE) TYPICAL FOR ANY DEVICE IN LEGEND
– PLUG-IN STRIP WITH RECEPTACLES, 18″ O.C. UNLESS OTHERWISE INDICATED
– SHUNT-TRIP BUTTON – FLUSH MOUNTED UNLESS OTHERWISE NOTED NEMA 3R FOR EXTERIOR LOCATIONS
– MAGNETIC MOTOR STARTER OR CONTACTOR SIZE AS NOTED
– NON-FUSED DISCONNECT SWITCH, SIZE AS NOTED NF DENOTES NON-FUSED
– COMBINATION MAGNETIC MOTOR STARTER, SIZE AS NOTED 3 POLE UNLESS OTHERWISE NOTED
– BRANCH CIRCUIT PANELBOARD, UNDER 250 VOLTS, SURFACE MOUNTED
– BRANCH CIRCUIT PANELBOARD, UNDER 250 VOLTS, FLUSH MOUNTED
– BRANCH CIRCUIT PANELBOARD, OVER 250 VOLTS, SURFACE MOUNTED
– BRANCH CIRCUIT PANELBOARD, OVER 250 VOLTS, FLUSH MOUNTED
– BRANCH CIRCUIT CONDUIT CONCEALED ABOVE CEILING OR IN WALL. CONDUIT SHALL INCLUDE PHASE, NEUTRAL AND GROUND CONDUCTORS AS REQUIRED FOR CIRCUITS (UNLESS OTHERWISE NOTED).
– BRANCH CIRCUIT CONDUIT CONCEALED IN SLAB, UNDERGROUND OR UNDER FLOOR.
– LOWER CASE LETTER INDICATES CONTROL CIRCUIT SWITCH LEG
– FLUORESCENT FIXTURE DIAGONAL SHADING DENOTES TO LIGHT FIXTURE CONNECTED TO CRITICAL BRANCH.
– FLUORESCENT FIXTURE DIAGONAL SHADING DENOTES HALF OF LAMPS CONNECTED TO CRITICAL BRANCH, OTHER HALF TO NORMAL BRANCH. (3 LAMP FIXTURES SHALL HAVE 2 LAMPS CONNECTED TO CRITICAL, 1 LAMP CONNECTED TO NORMAL).
– FLUORESCENT FIXTURE COMPLETELY SHADED DENOTES LIGHT FIXTURE CONNECTED TO LIFE SAFETY BRANCH CIRCUIT.
– FLUORESCENT FIXTURE HALF SHADING DENOTES HALF OF LAMPS CONNECTED TO LIFE SAFETY BRANCH, OTHER HALF TO NORMAL BRANCH. (3 LAMP FIXTURES SHALL HAVE 2 LAMPS CONNECTED TO LIFE SAFETY, 1 LAMP CONNECTED TO NORMAL).
– FLUORESCENT WALL MOUNTED FIXTURE WITH WALL OUTLET BOX
– EXIT LIGHT FIXTURE DIRECTION ARROWS AS SHOWN (SHADED QUADRANT INDICATES FACE(S) OF FIXTURE)
– EXTERIOR LIGHT FIXTURE WITH ARMS AS SHOWN ON DRAWINGS
– TRACK WITH TRACK LIGHT FIXTURE (TRIANGLES INDICATE QUANTITY OF LIGHT FIXTURES)
– CEILING SMOKE DETECTOR, PHOTO-ELECTRIC TYPE UNLESS OTHERWISE NOTED
– E = ELEVATOR WITH RECALL CONTACTS I = IONIZATION
– DUCT SMOKE REMOTE ALARM INDICATING LAMP, WITH TEST SWITCH, WALL MOUNTED 72″ AFF
– COMBINATION AUDIBLE/VISUAL NOTIFICATION DEVICE CHIME/FLASHING “FIRE” LIGHT
– COMBINATION AUDIBLE/VISUAL NOTIFICATION DEVICE
– VISUAL SIGNALING UNIT, WALL MOUNTED (NO AUDIO DEVICE)
– SPRINKLER TAMPER SWITCH CONNECTION
– SPRINKLER WATERFLOW SWITCH CONNECTION
– ELECTROMAGNETIC DOOR HOLD OPEN DEVICE CONNECTION TO CLOSURE/ HOLDER
– ELECTROMAGNETIC DOOR HOLD OPEN DEVICE CONNECTION TO CLOSURE/ HOLDER INCLUDES DETECTOR
– CEILING HEAT DETECTOR 135° UNLESS OTHERWISE INDICATED.

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