Gu24 vs gu35 base

Screw bases and pin bases are the two main types of light bulb bases. The two types of bases differ in the way they connect the bulb to the source of electrical voltage in order to light the bulb. In this article, we will discuss pin base light bulbs. To learn about screw base light bulbsclick here. Pin bases are used in MR16s, linear fluorescentsplug-in compact fluorescent bulbsand some HID light bulbs.

Whereas the screw base connects the light bulb to the voltage with two soldered contact wires on the metal base, pin base light bulbs have two pins sticking out of the base that connect the light bulb to the voltage.

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Electrical current then flows through the pins and into the light bulb to energize the filament or ballast to generate light. The names of pin bases include a number that measures the distance in millimeters between the two pins from center point to center point. For example, bi-pin GU5. This base and bi-pin GU10 are used in MR16 light bulbs. Medium bi-pin G13 bases are used in the vast majority of T8, T10, and T12 linear fluorescent light bulbs. Some linear fluorescents have a single pin Fa8 or recessed double contact R17dbut they are not very common.

Miniature bi-pins are used in T5 linear fluorescents. Plug-in compact fluorescent light bulbs are equipped with a two or four-pin base and use a ballast that has been built into the fixture.

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Plug-in CFLs cannot be interchanged with the ballast; depending on the ballast, only one or two light bulbs will be compatible with the fixture. The two-pin bulbs are for use with magnetic ballasts, and the four-pin bulbs are for use with electronic ballasts. The sockets used in plug-in CFL fixtures are designed to work with only one style of pin base.

This ensures that the correct wattage light bulb is used to match the type of ballast inside the fixture. Recent energy regulations have spurred the creation of the GU24 basewhich has two pins that are 24 mm apart. Incandescent light bulbs are not manufactured with GU24 bases; therefore, a fixture with a GU24 socket will not accept an incandescent light bulb.The base of our previous light Maxlite was tapered with the top being slightly bigger than the bottom. This base is not tapered; therefore it doesn't fit tightly into the panasonic vent fan's support bracket.

It does work though and the price is reasonable. The other thing I don't like is it gives off a yellowish light where our previous light was a bright white.

Great price and fit the GU35 base but time will tell how long it lasts. Color more on the yellowish side than the original bulbs.

I wanted replacements for a Panasonic Whisperlite vent fan with Maxlite bulbs and they can be expensive and hard to find and these Eiko bulbs have been working perfectly and the price is pretty good. Working as designed. Philips Hue 6.

gu24 vs gu35 base

GE Lighting Incandescent Bulb Screw Lighting Bulb Base Adapters. It works, but wish it had a base that would fit the panasonic vent fan support bracket. Works well initially but color spectrum not as bright Great price and fit the GU35 base but time will tell how long it lasts. It was what I wanted I wanted replacements for a Panasonic Whisperlite vent fan with Maxlite bulbs and they can be expensive and hard to find and these Eiko bulbs have been working perfectly and the price is pretty good.

Working as designed Working as designed.Compared to incandescent light bulbs, CFLs are obviously the more energy efficient choice. There are many types of CFLs available. Understanding these bulbs will make choosing the right energy efficient lights and fixtures much simpler.

The term GU24 is used to describe the base of the bulb, such as E26 is used to describe a medium or standard screw-in, base bulb.

gu24 vs gu35 base

GU24 bulbs have two pins that protrude from the bottom that are made to specifically lock into GU24 light fixtures. As a result, they are often categorized as bi-pin bulbs. These lights are installed by twisting the pins into the corresponding holes and locking them into place. GU24 bulbs are produced with the ballast attached self-ballastedwhich makes it easy to replace when necessary.

They tend to be shorter than other CFLs since the ballast and bulb is one unit. Most other pin-based lamps are not easily interchangeable. The replacement necessary depends completely on wattage. The fixtures these bulbs use are made specifically for certain wattage. If you wanted to use a higher or lower wattage pin bulb, you would need to replace the fixture as well. For instance, place a watt pin-based bulb into a fixture made for a watt pin-base bulb, and the light simply will not work.

In addition, many manufacturers produce pin-base bulbs for specific use with a fixture only they make. Replacing GU24 base bulbs is a much simpler process. The fixtures these lights lock into are manufactured for use with any bulb that has this base. For example, a watt GU24 can be replaced with any GU24 that is of equal or lesser wattage.

This reduces the amount of unused light fixtures that end up in your basement, or even worse, along with trash and other waste.


GU24 bulbs follow the same color spectrum as any other compact fluorescent light. The color emitted by the bulb is based on the degrees Kelvin that it measures. The higher the temperature in Kelvins, the whiter in light the bulb will appear. View Cart Adding to cart. There are no items in your cart. Toggle navigation Menu 1. Covid How We Are Responding. Follow us on.

Signup for Exclusive Promotions.You may have heard of GU24 base bulbs and wondered what they are. GU24 bulbs have 2 pins protruding from the base instead of the usual screw in base.

To install the bulb, you would insert the pins into the corresponding holes in the socket and twist the light bulb and lock it into place. The ballast adds to the overall length of the lamp, limiting the fixtures it can be used in and limiting the design flexibility of the fixture designers. Generally speaking, freezing is pushing it for most fluorescent bulbs, but there are bulbs that can get down to the F range.

Keep an eye on solid state lighting such as LEDs, though; their price continues to drop and the efficiency and quality keep climbing as research continues. At that price I would rather have a regular screw-in CFL bulb. I am also thinking about putting an adapter to the socket so I can use the regular screw-in type.

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The bulbs do cost more, I suspect this is due to the bulbs being self ballasted. There is also not much in LED for this socket. As we are creating more waste by throwing away the ballast each time these are certainly anticoncervation. Seems to be a lose-lose for the end user. Pay more for the bulbs, less selection, more waste. If one wants to replace the edison screw for a good technical reason that would be just fine but here we have no gains and a lot of negatives. I agree with Jesse.

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I just bought a home that was fully redone prior to us buying it and the old owner put in these twist lock fixtures. Not happy. I had the same problem with Jesse and agreed with what he said. I installed that 4 of those lamps in because the CITY required them. Two bulbs had burned so far. Now I am looking at how I can change the whole fixture to the screw-in type.

gu24 vs gu35 base

Can some one advise please. Hi Sylvester. Me too. It must be fairly easy to just rewire the base part so it will accept a regular screw in bulb. Or is this not as easy as it might seem to a novice?By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. It only takes a minute to sign up. Recently we've been shopping for light fixtures, and have noticed a dramatic increase in non-standard bulbs.

gu24 vs gu35 base

CFLs in particular seem to be drifting away from the common threaded base, in favor of 2-post snap in bulbs. I know there are efforts underway to remove incandescent bulbs from shelves, and I don't necessarily disagree with this. But I'm worried about having to find or keep on hand hundreds of different types of bulbs for my light fixtures rather than a consistent size and base.

Is the standard base becoming a thing of the past? Is a new standard clear on the horizon, yet? Should I try to stick with screw-base fixtures, or is diversity likely to be okay in the long run? As ofregulatory changes in the United States have obsoleted most of the answers here and elsewhere on the Internet.

Lamp base can even be changed without having to re-certify the product. The California Energy Commission mostly nullified its prohibition on incandescent lamp usage. Notice that most luminaires include a free CFL; this lamp is necessary for the luminaire to meet the definition of high efficacy. The fact that the CFL can be swapped out for an incandescent lamp is now irrelevant.

That's why GU24 bases are rarely found outside of specialty lighting stores. Many countries are banning the sale of incandescent bulbs over the next decade. Canada is planning on banning them in not entirely sure if this is a done deal or not thoughUSA is banning them at different wattages starting in and ending in The GU24 two-pin base is being introduced to force the transition, and prevent incandescent bulbs from being used in newer fixtures. I would bet Edison will not disappear for quite a while though: there are hundreds of millions of fixtures, and it's not practical or environmentally friendly for everyone to go out and replace every fixture in the next few years.

My guess and I have no authority in the matter btw : is that it will be before you start finding more GU24 base bulbs than Edison.Earthtronics 8. Earthtronics 9. Transform your old, energy-hogging light fixtures into an efficient and eco-friendly GU24 light from Conservation Mart.

When compared to your outdated incandescent GU24s, these all-new LED styles can help you significantly reduce energy costs and maintenance with impressive 25,hour lamp lives. GU24 LED bulbs can be used in a wide range of applications, including in outdoor fixtures, lamps, downlights, general overhead lighting and more.

The GU24 bulb is marked by its two-pin base style rather than the standard screw basewhich is inserted into a socket hole and then locked into place. Conservation Mart highly recommends choosing these easy-to-replace GU24 LED bulbs in your commercial or residential environment. Because they are self-ballasted — meaning the ballast portion of the light bulb is already attached to the bulb — they are very easy to replace. With that being said, LED GU24 lamps are very similar to the size and shape of your incandescent sockets, so they make a smart replacement for residential spaces.

The majority of our GU24 LED bulbs are dimmable as well, so you can implement them in any environment where you want tailored lighting solutions. In addition to standard GU24s, we also carry GU24 puck lamps which can be used in enclosed fixtures, such as closet lights, ceiling fans and outdoor porch lights.

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Light Bulb Base Chart

Covid How We Are Responding. The GU24 light is long lasting with an expected life of 25, hours of life which decreases the need for regular replacement. At Conservation Mart we offer these bulbs in a variety of color temperatures ranging from K to K. Learn more about choosing the right GU24 Light. Items Per Page: 3 6 9 12 15 30 All. Certification Energy Star Rated Features Dimmable Input Wattage W 2 W 14 W 2. Lumens 2 11 5. Follow us on. Signup for Exclusive Promotions.I have a ceiling fan that has 3 halogen bulbs which state they have a GU10 base.

I have not put the two side by side for a comparison and was wondering what the difference is. From what I can see they are both a two prong bulb. Are the prongs different size?? They bulbs I have in there now direct the light to one specific spot leaving dark spots in the areas not covered looks like crap.

I was hoping that a CFL would be more spread out. The difference lies in the distance between the pins of the in the bayonet connector here it is a twist and lock type.

In a GU10 based bulb the distance between the pins is 10mm whereas in GU24 the distance between the pins is 24mm. There are adapters available to plug a GU10 based bulb to GU24 socket. The GZ bulbs can only be used in a GZ fitting.

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If you look at the ceramic edges on the bulbs you will see the GZs are at right angles whereas the GUs are chamfered of at 45 degrees. A GU10's pins are 10mm apart and a GU24's pins are 24mm apart. The pins are the same size just have a different distance between them. Answer Save.

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