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WATT-MAN: Glossary of Terms
Listed below are lighting terms and definitions for your reference. To navigate, click on the first letter in the word you wish to research.
115612VDC, S.C. bayonet base incandescent bulb used in loading dock signal fixtures120MB120VAC, Ba9 S.C. bayonet base incandescent bulb used in control panel indicators15-T615-watt, candelabra or D.C. bayonet base incandescent tube lamp for exit signs^top25-T6-1/225-watt, candelabra or D.C. bayonet base incandescent tube lamp for exit signs^top3S63-watt, 120VAC, candelabra base incandescent bulb used in control panel indicators^top6S66-watt, 120VAC, candelabra, intermediate or D.C. bayonet based incandescent bulb^topA-19An incandescent bulb measuring 2.375 inch diameterAccent lampsAn LED or incandescent lamp for accent lighting applicationsAdapterScrew-on base to convert one size lamp base to another base sizeAmber LED retrofit lampAmber Led lamp replacement for incandescent bulbs in night light and step light fixtures^topB101.25 inch diameter incandescent bulb used in decorative and chandelier lighting applicationsBa99mm single contact bayonet baseBank drive through traffic signalTraffic signal fixture for drive through bank teller lanesBank lane signalRed and green LED signal fixture for bank lane traffic controlBeacon lampLED lamp for retrofitting industrial signal fixtures^topC-7An incandescent lamp measuring .875 inch diameter CandelpowerA measure of intensity of lamps that project lightChicago Style Exit SignAn exit sign with red or green letters applied to a translucent or opaque background Control panel indicatorsMiniature light indicators on process control panels found in industrial facilities, utilties and hospitalsConvenience lighting fixtureA recessed light box in a wall designed to project light for illuminating designated floor space^topD.C. bayonet baseA locking screw base with two contacts, measures approximately .5625 inches in diameterDécor lampsLamps used in decorative lighting applicationsDiffusersRed or green lenses for stencil face exit signsDock signalSignal fixture used for the communication of safe loading and unloading activities of trucks at warehouse facilities^topE12Candelabra screw base measuring approximately .375 inches in diameterE17Intermediate screw base measuring approximately .625 inches in diameterE26Medium screw base (US) measuring approximately 1 inch in diameterElevator lampPAR16 lamp used in elevator car ceiling light fixturesEmergency call box key pad lampLED lamp for key pad illumination on emergency call box communication towersExit signA lighting fixture marking egress from a buildingExit sign lampLamp used to illuminate an exit signExit sign retrofit kitA kit containing 2 LED lamps and 4 base adapters for retrofitting exit signs^topFluorescent lampA lamp in which electric discharge of ultraviolet energy excites a fluorescing phosphor coating and transforms some of that energy to visible light^topG162 inch diameter round globe decorative lamp Green LED exit retrofit lampGreen LED lamp replacement for incandescent exit sign bulbsGreen letter non-stencil exit signAn exit sign with green letters applied to a translucent or opaque background Green stencil faced exit signAn exit sign with stenciled letters EXIT and having a green lens^topHardwire adapterA device to retrofit an exit sign without sockets; includes two lamp holders for direct wiring to incoming line voltageHealth care LED night light retrofit lampLED lamp replacement for incandescent bulbs found in hospital and nursing home room night light fixturesHospital night light lampLED lamp for patient room night light fixtures^topIncandescent lampA lamp that provides light when a filament is heated to incandescence by an electric currentIndustrial signal fixtureVapor proof or explosion proof signal fixtures used in manufacturing facilities^topLampThe technical word meaing light bulb or tube; the device that provides light in a fixtureLEDLight emitting diodeLED bank lane retrofit lampLED lamp replacement for incandescent bulbs used in bank lane signal fixturesLED décor retrofit lampsLED lamp replacement for incandescent bulbs used in decorative lighting applicationsLED exit retrofit kitLED lamps and base adapters for replacing incandescent lamps in exit signsLED Exit retrofit lampLED replacement lamp for incandescent bulbs in exit signsLED industrial beacon retrofit lampLED lamp replacement for incandescent bulbs in vapor proof and explosion proof signal fixturesLED lampA lamp that provides light when light emitting diodes are energized by an electric currentLED loading dock signalRed and green LED signal fixture for loading dock traffic controlLED loading dock signal retrofit lampLED lamp replacement for incandescent bulbs used in loading dock signals LED MR1612VDC LED lamp for accent and decorative lightingLED panel indicator lampsLED lamp replacement for incandescent bulbs used as control panel indicatorsLED PAR162 inch diameter LED lamp used in directional, recessed can lights, decorative and elevator car ceiling light applicationsLED PAR202.5 inch diameter LED lamp used in directional, recessed can lights, and decorative lighting applicationsLED PAR384.75 inch diameter LED lamp used in can lights and flood light applicationsLED PL based exit lampCompact PL5,7,9 (G23) based LED lamp replacement for fluorescent exit signsLED retrofitThe conversion of an incandescent exit sign to LED technologyLED step light retrofit lampLED lamp replacement for incandescent bulbs found in step light fixturesLightThe term applied to a visible energy from a source and is usually measured in lumens or candelpowerLoading dock communication signalRed and green signal fixture for loading dock traffic controlLumenThe basic measurement of light^topMR16Low voltage metal reflector lamp measuring 2 inches in diameter^topNursing home night light lampLED lamp for nursing home patient room night light fixtures^topPanel lampIncandescent or LED lamp for control panel indicatorsPAR lampParabolic aluminized reflector lamp typically used in recessed can lights, decorative and flood light applicationsPL-G23PL5,7,9 compact fluorescent basePL13PL13 (GX23) compact fluorescent base^topRed LED exit retrofit lampRed LED lamp replacement for incandescent exit sign bulbsRed letter non-stencil exit signAn exit sign with red letters applied to a translucent or opaque background Red stencil faced exit signAn exit sign with stenciled letters EXIT, with a red lensReplacement lensesRed or green lenses to replace existing fiberglass exit sign lenses^topS11Medium, candelabra or intermediate base incandescent bulb for signage and decorative lighting applicationsS14Medium, candelabra or intermediate base incandescent bulb for signage and decorative lighting applicationsSecurity detention night light lampLamp for night light applications in security detention light fixturesStep light fixtureA recessed light box in a wall designed to illuminate stairs ^topWattUnit used to measure power consumptionWhite LED exit retrofit lampWhite LED lamp replacement for incandescent exit sign bulbs in Chicago style signs