Electric Lighting

Posted: August 26th, 2021

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Electric Lighting

Color Coding Combination for the Conductors in a House of 120/240 Single Phase

A single-phase conductor with a voltage range of 120 to 240 has a combination of color-coding of black, red, white (neutral), and green.
Color Coding Combination for the Conductors in an Office of 277/480 Three Phase

A three-phase conductor with a voltage range of 277 to 480 has a color-coding of brown, orange, yellow, grey (neutral), and green.
The Least Efficient Lighting Lamp

Incandescent lamp is the type of lighting that is considered the least efficient, simply because its tungsten filament converts only 5% of the incoming current into light energy. The remaining 95% of the energy is rendered unused, thus resulting in high heat energy. More so, the type of lighting bulb runs up to 1,000 hours

A Form of Lighting that Utilizes Electromagnetic Fields to Produce Light

Induction lamps have electromagnetic fields coupled with bulbs filled with plasma gas, instead of electrodes.

Advantages of Using LED Lighting in Facilities

The use of Light Emitting Diodes (LEDs) type of lighting system has many benefits for homeowners. First, its method is cost-efficient in reality in that the owners of the facilities would incur lower costs of running LEDs in the long-run despite their higher installation costs. As an example, this type of lighting system runs for more than 25,000 hours. Thus the owners of the facilities would only incur $36.13. Indeed, this value of sustained cost is relatively lower as compared to the running costs of compact fluorescent and incandescent lamps at $51.38 and$177.50, respectively.  Second, the use of LED among facility owners achieves high lamp efficiency among users since one can use them under different voltages to produce varying degrees of colors suitable for different purposes of life activities as they can last up to 50,000 hours without being replaced.