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Your light bulb options have changed since incandescent bulbs were discontinued and replaced with energy-saving bulbs. If you are undecided about what type of lamp to buy, keep reading!
Halogen lamps, like traditional incandescent lamps, use a tungsten filament, but they’re also filled with a small amount of halogen gas (such as iodine or bromine) in a capsule. Keep reading to learn more. Sarah LevisonSarah is a long-time employee of the Lightbulb Company, with a background in hospitality and a keen awareness of the important role lighting plays in our everyday lives. She has worn many hats at our company over the years, developing an extensive knowledge of lighting and the lighting industry. She is passionate about working with customers, understanding their needs, and providing them with the best
Colour temperature describes the appearance or tint of a particular light. Most bulbs emit a white light, but this white light can range from warm to cool. Read this guide to find the right colour temperature for your new light bulbs.
The cap or base of a light bulb joins the bulb to the lamp socket in order to provide an electrical connection. Your lamp or fixture’s socket will dictate which cap or base a light bulb needs in order to fit, but there are a number of different base types and sizes to choose from, and it’s not always easy to determine which type is right for your fixture. To add to the confusion, different fixtures often feature different types of sockets. Purchasing a bulb with the wrong cap or base is a common mistake. There are a wide variety
Some bulbs last longer than others. In the light bulb industry, the lifespan of a bulb is referred to as “Average Rated Lifetime Hours” (ARL). Average rated lifetime hours indicate how long it takes for a certain percentage of light bulbs in a test batch to fail, and are measured and labelled using hours and an “L rating”. For example, if 100,000 bulbs were tested and 70,000 bulbs (70%) failed after 1,000 hours, this bulb would have an average rated life of 1,000 hours at L70. Here are a few more examples: Another important aspect to take into consideration is
Not all light bulbs can be tossed in the bin. Energy efficient bulbs like CFLs and some LEDs contain materials that are harmful to the environment if not disposed of properly, which has lead lawmakers to create new legislation that aims to make properly disposing of electronic waste easier for consumers. This legislation, called the Waste Electrical and Electronic Equipment (WEEE) Directive, is now UK and European law. The WEEE Directive requires producers – not consumers – to pay for the collection, treatment, and recovery of waste electrical equipment. This means that retailers must allow consumers to return their waste
Anything that produces light has a beam angle. A beam angle, sometimes referred to as “beam spread”, measures how light is distributed from the source of illumination onto a target area. The beam angle specifically refers to any light that falls within 50% of the maximum intensity the bulb is capable of producing. Any light outside of this angle is referred to as the “beam field” or “spill light”, which extends until the light has decreased to 10% of the maximum intensity. Regardless of the size of the beam angle you select, it is only the intensity of the beam
Compact Fluorescent Lamps (CFLs) are a low energy alternative to traditional incandescent bulbs. Instead of a tungsten filament, CFLs consist of a glass tube filled with mercury vapour and gas, with an electrode at either end of the tube. How Do CFLs Work? When an electrical current passes through the gas, it ignites the mercury vapour, which then releases ultra-violet light. Because ultra-violet light is invisible to the human eye, a phosphor powder coating is applied to the inside of the glass tube. When the ultra-violet photons interact with this phosphor coating, it fluoresces and emits light. The colour temperature