Bulb: A glass or quartz glass enclosure which contains a vacuum or gas and a means of light generation (filament ir electrode). Also see LIGHTING, INTERIOR GUIDE our home page for information about all lighting topics relating to building interior. How to Turn on Dark Mode at Sunset on Android, How to Configure Microsoft Teams Notifications, How to Enable Picture-in-Picture in Firefox, How to Change Contact Name Order on iPhone or iPad, How to Get a Spotlight-Style Search Bar on Windows 10, © 2021 LifeSavvy Media. So we do talk about light emitted from a particular source so that we can evaluate its output in lumens. daylight and are good for detailed work where color accuracy is critical, but they give skin an unflattering greenish tone. Light Bulb: LB: Larry Brown (basketball coach) LB: Letter Box: LB: Little Brother: LB: Legally Blonde: LB: Lower Bound: LB: Little Boy (atomic bomb) LB: Laguna Beach (California) LB: Log Book: LB: Load Balancer: LB: Left Back (soccer position) LB: Laura Biagiotti (fashion; Italy) LB: Limp Bizkit (band) LB: Lehman Brothers (investment services company) LB: London Borough: LB Our photo illustrates that once a lamp is turned on you may observe significant color temperature differences even among bulbs that look physically the same when "off". The bulb’s base is measured differently but in a much easier fashion. Abbreviations: US terms. Another common bulb shape is the B series bulb, which stands for Blunt tip, and are used in decorative light fixtures when you want a candle-like appearance. You can compare bulb type approximate efficiency by looking at the lumens per watt or lm/W for each - I'll give data below but be sure to also review our warnings about direct calculation of lumens based just on watts, given at EFFICIENCY & BRIGHTNESS of BULB TYPES. How-To Geek is where you turn when you want experts to explain technology. The designation is a two part code consisting of a letter and a number. More detail about lamp or bulb types including abbreviations and feature comparisons can be read at Lamp & Bulb Abbreviations & Types. Compact Fluorescent Lamp or Compact Fluorescent Light Bulb. I'm guessing that the 2nd bulb is more efficient, but how do I confirm that from this information: simply the lower watts with same Hz & VAC; or am I wrong, what does the mA measure? LIGHT BULB & LAMP ABBREVIATIONS & CODES at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice. "Home Wiring Inspection," Roswell W. Ard, Rodale's New Shelter, July/August, 1985 p. 35-40. Browse the list of 368 Lamp abbreviations with their meanings and definitions. Bulb #1 23W 120VAC 60Hz 380mA - no lumens given, Bulb #2 13W 120VAC 60Hz 200mA 800Lumens = 800/13 = 61.5 lumens per watt, which is a typical number for fluorescent bulbs (45-75 lm/W). Lower color temperatures indicate “warmer” light with more yellow and red tones, which complement skin and natural wood finishes. The most common types are Edison Screw (E27) and Bayonet Cap (B22d). 3-way light bulbs are used with 3-way sockets found in table lamps, floor lamps, and other lighting types. So a bulb with an E26 base is 26 millimeters. The Web's largest and most authoritative acronyms and abbreviations resource. We define light bulb (lamp) brightness, define lumens, & discuss light bulb light output in lumens. The rated life of an LED is how long it is intended to operate before reaching 70 percent of its original brightness. The mA refers to milliamps or thousands of an ampere of current drawn when the bulb is operating. Why is this important? Center Beam Candlepower: Candela. Fluorescent's Watch out: the wattage of a light bulb does not allow you to directly calculate its output in lumens, and equally, lumens of visible light expressed in watts will not translate directly into the rated wattage of light bulbs. Bulbs used for headlamps, turn signals and brake lamps may be required to comply with international and national regulations governing the types of lamps used.Other automotive lighting applications such as auxiliary lamps or interior lighting may not be regulated, but common types are used by many automotive manufacturers. 850 lumens. The way it’s measured, however, is different for the bulb’s size and its base size. Click to Show or Hide Citations & References, Color Temperature & CRI Scale for light bulbs, Best Practices Guide to Residential Construction, Table of Current LED Bulb Prices & Features, ANTIQUE LAMPS (BULBS) LIGHT OUTPUT - LUMENS, HOME INSPECTION EDUCATION COURESES (Canada), HOME INSPECTION EDUCATION: HOME STUDY COURSES, one lumen of visible light represents 1/683 watts, or, one watt of visible light represents 683 lumens. These codes tell you if a bulb will fit in your fixture and if it's the right shape. A halogen T3, RSC-base 100-Watt 120V bulb (Phillips) is rated at 1,600 lumens, not 100 x 683=68,300. A 60-watt soft light incandescent 120-V light bulb provides about Rate it: LT: Light. : Light Dragon egg Icon used to indicate a Light Dragon egg in the game DragonVale. Plus, you can sound pretty smart if you whip out the full term – light emitting diode – when talking with someone. Basically, though, the number corresponds to the bulb’s diameter at its widest point. Some other animals are sensitive to light at ends of the spectrum that humans are not. We just calculated lumens per watt, before considering the amount of energy used to produce those watts. It’s certainly not like screws and bolts where being a single millimeter off can make all the difference. A 3-way bulb (also known as a three-way bulb, a tri-light, or 3-way lamp) is a special kind of light bulb that provides three different levels of light. 21 meanings for LIGHT+BULB abbreviations and acronyms on acronymsandslang.com The World's most comprehensive acronyms and slang dictionary! The part of the lightbulb which secures it to the socket of a light fixture. There are so many types of light bulbs available on the market that it’s hard to keep track of them all, but each type has its own “code” of sorts that tells you everything you need to to know about it. 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