What does mA on light bulb mean?


Hank Drake   |   Member since 2015  |  10+ Answers Submitted  |  ✔ Verified

a.) The mA refers to milliamps or thousands of an ampere of current drawn when the bulb is operating.

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Chloe Walsh   |   Member since 2016  |  10+ Answers Submitted  |  ✔ Verified

Just so, what does the A stand for in light bulbs?

An "A" designates the teardrop shape of a standard light bulb. This is where the name " light bulb " comes from. Over time, the phrase " light bulb " has become used, in general, to describe any source of light that is powered by electricity.

what does Alto mean on a light bulb? ECO Low Mercury (Sylvania & GE) ALTO Low Mercury (Philips).


Ember Morgan   |   Member since 2010  |  10+ Answers Submitted  |  ✔ Verified

In this regard, what does br30 light bulb mean?

The number following the letters in a recessed light bulb indicates size: it's the diameter of the light bulb in eighths of an inch. So, a BR30 is 30/8 inches, or three and 3/4 inches. The PAR denotes the light bulb has a parabolic aluminized reflector on its inside, directing light out.


Mike Porter   |   Member since 2017  |  10+ Answers Submitted  |  ✔ Verified

What base is my light bulb?

The medium E26 base is the most common light bulb base. It is used in most incandescent, halogen, CFL, CCFL, and HID light bulbs. The mogul E39 base is found in larger sized light bulbs, such as high wattage HID.


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Related Answered Questions

Below is a list of answers to questions that have a similarity, or relationship to, the answers on "What does mA on light bulb mean?". This list is displayed so that you can easily and quickly access the available answers, without having to search first.

Madelyn Logan   |   Member since 2005  |  ✔ Verified

Can I use regular light bulbs in recessed lighting?

A recessed fixture with a medium screw base lamp holder can take an incandescent, fluorescent, halogen or LED light bulb. If you want to be able to dim your recessed lights, or control them with a remote or automated system, choose fixtures you can use incandescent, halogen or LED light bulbs in.


Marvin Speed   |   Member since 2018  |  ✔ Verified

What are the different types of light bulbs?

Here is the list of five most common types of Light Bulbs along with their respective advantages.1- Incandescent Bulbs: Incandescent bulbs are the typical bulbs. 2- Fluorescent Lamps: 3- Compact Fluorescent Lamps (CFL): 4- Halogen Lamps: 5- Light Emitting Diode (LED):


Aiden Owens   |   Member since 2006  |  ✔ Verified

What is HMI light?

HMI (Hydrargyrum Medium-Arc Iodide) is a type of light which uses an arc lamp instead of an incandescent bulb to produce light. Efficiency: 2 to 5 times as efficient as incandescents. This means they use less power and run cooler.


Morgan Whittle   |   Member since 2008  |  ✔ Verified

What is a 60 watt Type A bulb?

Common 60 watt incandescent type A light bulbs are being phased out in favor of more efficient halogen, CFL and LED equivalent bulbs. (A19) or have stronger filaments for rough service, but in most cases the light output will be similar to regular 60 watt bulbs and they can be used in the same lamps and fixtures.


Summer Douglas   |   Member since 2005  |  ✔ Verified

What are the 3 types of light bulbs?

There are three basic kinds of light bulbs on the market: incandescent, halogen, and CFL (compact fluorescent light).


Wade Osman   |   Member since 2009  |  ✔ Verified

What is a reflector light bulb?

Incandescent reflector bulbs contain a reflective coating and therefore provide directional light. The shape of the light beam is cone-like and can be specified in a range of beam spreads from narrow spot to wide flood. Reflector bulbs fit into the same medium-based sockets as common incandescent bulbs.


Celina Gray   |   Member since 2016  |  ✔ Verified

What does r20 bulb mean?

According to this site: R20 bulbs have reflectors that direct light forward and produce more narrow soft-edged beam that is less precise than PAR20 bulbs. R20 bulbs also produce less shadow than PAR20 bulbs. PAR20 bulbs control light more precisely and produce more concentrated light than R20.


John Stewart   |   Member since 2020  |  ✔ Verified

What is the difference between par20 and par30 light bulbs?

PAR20: 20 denotes, the exact measurement from brim to brim of LED lights, that is to say, 20/8 inch in diameter, approximately 64mm; PAR30 is standing for 30 denotes, 30/8 inch in length near to 95mm, PAR38. 38 denotes, 38/8 inch in length, is equal to 120mm.


Lindsay Cameron   |   Member since 2019  |  ✔ Verified

Can LED bulbs be used in recessed lighting?

LED light bulbs and conventional recessed can lights are not always compatible. Some of the LED light bulbs used in halogen and incandescent recessed lights might cause a heat sensor inside the housing to trip your circuit breaker.


Brooklyn Waterson   |   Member since 2007  |  ✔ Verified

What kind of light bulbs do you use for recessed lighting?

The four light bulb types used in residential recessed lighting are incandescent, halogen, compact fluorescent (CFL), and light emitting diode (LED). Incandescent aka traditional light bulbs are the oldest and least efficient technology.


Carmen Buckley   |   Member since 2019  |  ✔ Verified

What does a19 mean in light bulbs?

The term A19 is used to describe the overall shape and dimensions of a light bulb. It has been used since the era of incandescent light bulbs, and now CFL and LED light bulbs continue to use the same term. The name A19 consists of two parts - the first letter and the two digit number.


Analise Cattell   |   Member since 2015  |  ✔ Verified

Does the shape of a light bulb matter?

The letter indicates the shape of the base, while the number indicates the size. Always check your lighting fixture before purchasing bulbs. After all, you couldn't screw in an E26 bulb into a candelabra socket size it just isn't possible! Sizes and shapes do matter so be mindful before purchasing a new bulb.


Gil Thomson   |   Member since 2007  |  ✔ Verified

Can I use a regular light bulb in a flood light?

Standard incandescent bulbs and flood lights can be used outside as long as they are not exposed to rain or other elements.


Nate Calderwood   |   Member since 2019  |  ✔ Verified

What are the different sizes of light bulb bases?

(For example, E12 has a diameter of 12 mm) There are 4 common sizes of screw-in sockets used for line-voltage lamps:Candelabra: E12 (diameter of 12 mm) Intermediate: E17 (diameter of 17 mm) Medium or Standard: E26 (diameter of 26 mm) Mogul: E39 (diameter of 39 mm)


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