ANSI / IEEE symbol forms

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Active harmonic filterAHF · SLD / Schematic ANSI AND-OR-invert gateAOI · Schematic ANSI ceiling lighting outlet plan symbolLO · GA ANSI cross-coupled NAND latchS̄R̄ · Schematic ANSI cross-coupled NOR latchSR · Schematic ANSI dimmer switch plan symbolSD · GA ANSI duplex receptacle outlet plan symbolDR · GA ANSI exit light outlet plan symbolX · GA ANSI fire alarm horn-strobe plan symbolHS · GA ANSI four-input NAND gateNAND4 · Schematic ANSI four-way switch plan symbolS4 · GA ANSI GFCI duplex receptacle plan symbolGFCI · GA ANSI inhibit gate (AND with one negated input)INH · Schematic ANSI manual fire alarm station plan symbolF · GA ANSI NAND gate drawn as negative-input ORNAND · Schematic ANSI NOR gate drawn as negative-input ANDNOR · Schematic ANSI open-collector inverterOC-NOT · Schematic ANSI operational amplifier (triangle form)OA · Schematic ANSI panelboard plan symbolPNL · GA ANSI Schmitt-trigger NAND gateNAND-ST · Schematic ANSI single receptacle outlet plan symbolR · GA ANSI single-pole switch plan symbolS · GA ANSI smoke detector plan symbolSD · GA ANSI special-purpose outlet plan symbolSP · GA ANSI three-input AND gateAND3 · Schematic ANSI three-input NOR gateNOR3 · Schematic ANSI three-input OR gateOR3 · Schematic ANSI three-state inverter with active-low enableOE · Schematic ANSI three-way switch plan symbolS3 · GA ANSI wall lighting outlet plan symbolLOW · GA ANSI weatherproof receptacle plan symbolWP · GA ANSI wired-AND connectionWIRED-AND · Schematic ANSI/IEEE ac relay coil symbolK AC · Schematic ANSI/IEEE active power indicator symbolW · SLD / Schematic ANSI/IEEE adjustable capacitor symbolC ADJ · SLD / Schematic ANSI/IEEE adjustable-core inductor symbolL ADJ · SLD / Schematic ANSI/IEEE adjustable-ratio transformer symbolTX ADJ · SLD / Schematic ANSI/IEEE ammeter symbolA · SLD / Schematic ANSI/IEEE ampere-hour meter symbolAh · Schematic / SLD ANSI/IEEE Audible bell formHAN1B · Schematic ANSI/IEEE Audible buzzer formHAN1Z · Schematic ANSI/IEEE Audible siren formHAN1S · Schematic ANSI/IEEE Automatic mechanical-return indication formQ021207 · Schematic ANSI/IEEE battery symbolBT · SLD / Schematic ANSI/IEEE Bidirectional breakdown diode formTVS BI · Schematic ANSI/IEEE cable pothead symbolPH · SLD ANSI/IEEE Cam-operated limit switch formLS CAM · Schematic ANSI/IEEE Capacitive proximity switch formPROX CAP · Schematic ANSI/IEEE capacitor symbolC · SLD / Schematic ANSI/IEEE Carbon-disc variable resistor formHVR1R8 · Schematic ANSI/IEEE changeover contact symbolCO · Schematic ANSI/IEEE chassis ground symbol- · Schematic ANSI/IEEE circuit breaker symbolCB · SLD / Schematic ANSI/IEEE circuit breaker with electronic trip unit symbolCB ETU · SLD / Schematic ANSI/IEEE circuit breaker with undervoltage release symbolCB UV · SLD / Schematic ANSI/IEEE Clock indication formHIN1P29 · Schematic ANSI/IEEE coaxial cable symbolW · Schematic ANSI/IEEE coaxial connector symbolJ · Schematic ANSI/IEEE Combined line and phase voltmeter selector formHSW1S92 · Schematic ANSI/IEEE Combined loudspeaker and microphone formHAN1B8 · Schematic ANSI/IEEE compound-excited DC generator symbolG DC CMP · Schematic ANSI/IEEE conductor junction symbol- · Schematic / SLD ANSI/IEEE connector plug half symbolPLUG · Schematic ANSI/IEEE connector socket half symbolSOCKET · Schematic ANSI/IEEE Converter substation formCONV STN · SLD / Schematic ANSI/IEEE Counter relay with electrical reset formCOUNT ELEC · Schematic ANSI/IEEE Counter relay with manual reset formCOUNT MAN · Schematic ANSI/IEEE crossing conductor hop symbol- · Schematic ANSI/IEEE current transformer symbolCT · SLD / Schematic ANSI/IEEE current transformer with conductor indication symbolCT · SLD / Schematic ANSI/IEEE current transformer with two secondaries symbolCT 2SEC · SLD / Schematic ANSI/IEEE Current window monitoring relay formI WINDOW · SLD / Schematic ANSI/IEEE current-limiting circuit breaker symbolCB LIM · SLD / Schematic ANSI/IEEE current-measuring shunt symbolSHUNT · SLD / Schematic ANSI/IEEE dc generator symbolG DC · SLD / Schematic ANSI/IEEE dc motor symbolM DC · SLD / Schematic ANSI/IEEE Dd6 transformer connection reference formDd6 · SLD / Schematic ANSI/IEEE Delta-delta transformer formTX D-D · SLD / Schematic ANSI/IEEE Delta-star transformer formTX D-Y · SLD / Schematic ANSI/IEEE DIAC formDIAC · Schematic ANSI/IEEE Differential capacitor formHCA1_S00573 · Schematic ANSI/IEEE differential voltmeter symbolΔV · Schematic ANSI/IEEE Differential-current measuring relay formI DIFF · SLD / Schematic ANSI/IEEE diode symbolD · Schematic ANSI/IEEE Disconnected mechanical coupling formQ021217 · Schematic ANSI/IEEE disconnector symbolIsolator · SLD / Schematic ANSI/IEEE Double spark gap formF · Schematic ANSI/IEEE Dy5 transformer connection reference formDy5 · SLD / Schematic ANSI/IEEE Dy11 transformer connection reference formDy11 · SLD / Schematic ANSI/IEEE Dz0 transformer connection reference formDz0 · SLD / Schematic ANSI/IEEE Dz6 transformer connection reference formDz6 · SLD / Schematic ANSI/IEEE early-break normally-closed contact symbolNC EARLY · Schematic ANSI/IEEE early-make normally-open contact symbolNO EARLY · Schematic ANSI/IEEE earth connection symbol- · SLD / Schematic ANSI/IEEE Earth-fault current relay formK · Schematic / SLD ANSI/IEEE Earth-fault voltage relay formK · Schematic / SLD ANSI/IEEE electrolytic capacitor symbolC ELEC · SLD / Schematic ANSI/IEEE Electromagnetic brake actuator formHSV1Y4 · Schematic ANSI/IEEE electrostatically screened transformer symbolTX SCREEN · SLD / Schematic ANSI/IEEE Engaged mechanical coupling formQ021218 · Schematic