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The 2 Core Types of Ballasts: How to Improve Your Fluorescent Lighting

by Stefan Dutka 22 April, 2016 06:14

Ballasts are a rarely seen component of some lighting systems, however they play an integral role in making certain bulbs function well. A ballast is a device with two basic functions: 1) starting a bulb, and 2) controlling the electricity flow through the bulb. All gas-discharge bulbs, such as fluorescent tubes and high-intensity discharge (HID) bulbs, require an accompanying ballast to operate. Some fixtures have built in ballasts while others have it as a separate unit. When a bulb that uses a ballast is switched on, the ballast provides a quick burst of high voltage to establish an arc between two electrodes in the bulb. Once the arc is established, the ballast regulates the energy going into the bulb to help increase the bulbs efficiency, longevity and light output.

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What is Total Cost of Ownership?

by Nicole Michaud 5 October, 2015 04:19

**An earlier version of this post included inaccurate information regarding Total Cost of Ownership and has since been corrected**

When deciding which light bulb to purchase, the cost of the bulb can be a major factor in your decision. But the cheapest bulb on the shelf might not always be the least expensive option in the long run. The truth is that the bulb you buy will determine your cost in the long term. Some bulbs cost more to use, operate, and maintain than others. These costs, all together, are known as your total cost of ownership. Total cost of ownership (TCO) is a financial estimate intended to help consumers and business owners determine the direct and indirect costs of a product. In terms of lighting, the cost of ownership takes into account the upfront cost of the product, the hours used, kWh rate, and the rated life of the light bulb.

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