A Shape LED

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Where To Use An A Shape Bulb

Shaped like a snow cone, A Shape bulbs are probably what you think of when someone says, "light bulb”. The A-Shape (Arbitrary) LED light bulb, or general service bulb is the shape we are all most familiar with. It is a shape so common that this is the universal symbol for light bulbs around the world! The bulb’s shape hasn’t changed since Thomas Edison assembled the first commercial model in 1879! Although the shape remains the same, there are variations in size. The number after the letter indicates the diameter of the bulb in eighths of an inch. Some of the most popular include A15, A19, and A21.

A Shape bulbs have omni-directional light distribution making it one of the most versatile shapes. They work well in various applications but are most often used as standard household bulbs in a variety of light fixtures.

A15 LED - A smaller bulb suitable for refrigerators, fans, signage, appliances, and decorative lighting.

A19 LED - Typical household bulb used in many kinds of fixtures.

A21 LED - This bulb is extra bright! Suitable for ceiling fans, lamps, household, and office light fixtures.

Buy A Light, Be A Light.

16% of the world's population still lives without electricity. GoodBulb believes we all have the opportunity to create a positive impact. Join us in choosing to buy quality products that help you create that positive impact in the world. Those who live without electricity often rely on kerosene lanterns. These are inefficient, expensive, and dangerous. In fact, Kerosene is the #1 cause for devastating fires in remote villages, destroying homes and endangering lives. With every light bulb you purchase, GoodBulb provides solar lanterns to families who live without electricity.

LED bulbs not only bring down your energy bills but are also more environmentally friendly when compared to incandescent bulbs and compact fluorescent lights (CFLs). LED bulbs contribute the least amount of carbon dioxide into the atmosphere of all lighting sources. LED bulbs consume less power per unit of light emitted. This reduces greenhouse emissions from power plants. Carbon dioxide emissions for LEDs are also low. One LED bulb will minimize greenhouse gas emissions by almost half a ton. For example, an incandescent bulb results in 4,500 pounds of CO2 annually, while LED bulbs contribute just 451 pounds of CO2 per year. LED lighting can last up to 20 years, this longer life decreases the production of more bulbs, reducing the greenhouse emissions created by the manufacturing process.

LEDs have the best light distribution by focusing light in one direction as opposed to other types of lighting that waste energy by emitting light in all directions. Fewer LED bulbs are needed to achieve the same level of brightness given off by other forms of bulbs. Less bulbs reduce energy consumption and benefit the environment.

LEDs generate less heat during use so cooling costs are much lower. Incandescent bulbs release 90% of the energy as heat. While LED bulbs release 5% of the energy as heat and the rest is made into light. LEDs also contain ZERO mercury, unlike CFLs.

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