Lighting

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People need exposure to light because sunlight provides ultraviolet B (UBV) rays that help the body produce vitamin D. Vitamin D helps balance the calcium that the body needs in order to maintain healthy bones and teeth. The amount of sun exposure a person needs depends on the climate.

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  • How Bright Is an LED?

    Q: How Bright Is an LED?

    A: LEDs (light emitting diodes) are brighter than incandescent or halogen bulbs of the same wattage, but LED bulbs are not available in high wattages. Some of the brightest LED flood lamps use 11-12 watts and emit light comparable to a 50-watt incandescent bulb.
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  • Can LED Lights Be Dimmed?

    Q: Can LED Lights Be Dimmed?

    A: According to Lutron Electronics, not all LED lights can be dimmed. The packaging must be labeled as "dimmable" and an LED-specific dimmer switch must be used.
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  • How Can You Remove a Stuck Light Bulb?

    Q: How Can You Remove a Stuck Light Bulb?

    A: Remove a stuck light bulb using a piece of duct tape, a bar of soap or a potato. The likelihood of the bulb breaking is high so gloves and eye protection should be worn while trying to loosen a stuck bulb.
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  • How Do You Install a Chandelier?

    Q: How Do You Install a Chandelier?

    A: To install a chandelier, insert a fan brace into the ceiling, attach the chandelier to it and connect the chandelier to the nearest wiring box. The required supplies are a chandelier, a fan brace, a ladder, insulated gloves, a flat screwdriver, twist-on wire connecting caps, a small pry bar and a wrench. This procedure usually takes about 90 minutes.
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  • How Low Should Pendant Lights Hang?

    Q: How Low Should Pendant Lights Hang?

    A: For a standard 8-foot ceiling, a pendant light typically hangs 12-20 inches below, which is 84 to 76 inches above the floor. For every additional foot of ceiling height, the pendant-light drop length increases by 3 inches, according to Better Homes and Gardens.
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  • How Do You Wire a Security Light?

    Q: How Do You Wire a Security Light?

    A: To wire a security light, turn the current off, assemble the light, and make the proper wire connections. Always use the utmost level of caution when dealing with electricity, and do not hesitate to contact a professional electrician for help.
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  • Why Do Your Light Bulbs Keep Blowing?

    Q: Why Do Your Light Bulbs Keep Blowing?

    A: When light bulbs blow out repeatedly on a light fixture, the cause is either too much electricity or faulty wiring. There are solutions to each problem.
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  • What Are Some Facts About Incandescent Light Bulbs?

    Q: What Are Some Facts About Incandescent Light Bulbs?

    A: Although it is commonly believed that Thomas Alva Edison invented the incandescent light bulb, he actually just improved on light bulbs detailed in a 1875 patent he bought from two other inventors, Henry Woodward and Matthew Evans.
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  • At What Height Do You Put a Chandelier Over a Bed?

    Q: At What Height Do You Put a Chandelier Over a Bed?

    A: When hanging a chandelier over a bed, the bottom of the chandelier should be approximately 7 feet from the floor, according to SFGate. This height can be achieved by shortening the chain on the chandelier.
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  • What Is the Importance of Light in Our Life?

    Q: What Is the Importance of Light in Our Life?

    A: People need exposure to light because sunlight provides ultraviolet B (UBV) rays that help the body produce vitamin D. Vitamin D helps balance the calcium that the body needs in order to maintain healthy bones and teeth. The amount of sun exposure a person needs depends on the climate.
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  • What Factors Could Lead to a Rise in Residential Energy Rates?

    Q: What Factors Could Lead to a Rise in Residential Energy Rates?

    A: Many factors could lead to a rise in residential energy rates, including rising costs associated with generating, transmitting and distributing electricity. Other factors include increased investment in transmission and distribution lines on the part of energy companies and new federal regulations requiring those companies to invest in renewable energy sources.
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  • Q: What Types of Lighting Fixtures Does Simkar Manufacture?

    A: Simkar's most notable products are overhead fluorescent lights, outdoor street lights, exit signs and emergency lights. The company also provides induction, sports and vandal-resistant fixtures. Its products are available for commercial, industrial and residential use.
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  • Q: How Do You Install a Hallway Light Fixture?

    A: Install a hallway light fixture by connecting the hot, neutral and ground wires from the light fixture to the connection box on the ceiling. Put the wires inside the box, and use the hardware supplied with the light to attach the light to the ceiling. You need a light fixture with hardware, a stepladder, three wire connectors and a screwdriver.
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  • Q: What Is the Best Height to Hang a Dining Chandelier?

    A: For a dining room with 8-foot-high ceilings, the chandelier should be hung between 30 and 34 inches above the table. It should be hung 33 to 37 inches above the table if the ceiling is higher than 8 feet. Add 3 more inches for each additional foot.
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  • Q: What Are Some Uses for an Electric Candle Warmer Crock?

    A: Candle warmer crocks can spread fragrance in an area. They can also help the user to avoid dangerous flame and prolong the life of a scented candle. Melting scented jar candles releases the candles' aroma without a flame, providing a clean and safe alternative to burning candles.
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  • What Does an A-Series Light Bulb Look Like?

    Q: What Does an A-Series Light Bulb Look Like?

    A: An A-series light bulb has a tubular base with a round top, according to eBay. This standard-shaped light bulb, provides incandescent light and is used largely in household ceiling lights and lamps.
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  • Q: What Are Some Different Types of Zeus Floor Lamps?

    A: One type of Zeus floor lamp has five arching lights with silver chrome shades that match the metal of the pole. The lamp stands on a white or black marble base. Variations are found in the bend of the arches' curves and the positions of the shades.
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  • Q: What Are Common Levels of Illumination for Indoor Areas?

    A: Common levels for indoor illumination typically range between 200 to 500 lux, but may be as low as 25 lux in many commercial buildings. 300 to 500 lux is typically sufficient for casual reading, but light levels between 500 to 1200 lux are commonly found in supermarkets and workshop environments.
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  • What Are Some Good Floor Reading Lamps?

    Q: What Are Some Good Floor Reading Lamps?

    A: The Tolomeo Reading Floor Lamp, Tab LED Floor Lamp and Hector Bone China Floor Light lamp are all good floor reading lamps, states Remodelista. Adjustable pivots in these lamps allow the user to direct light for easy reading.
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  • Q: What Are Some Good Battery Operated Table Lights That Are Energy Efficient?

    A: As of 2016, good battery-operated table lights that are energy efficient include Boyon's Dimmable Eye Care LED Lamp and Zeefo's Retro LED Night Light, according to the highly positive customer reviews on Amazon.com. Boyon's table light has a built-in high-power battery and Zeefo's table light takes three 1.5V AAA batteries.
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  • Q: How Do You Hang a Chandelier?

    A: Hang a chandelier by first removing the original light fixture and electrical box, then make your fan brace, set up a new electrical box, and set the chandelier. Wire your chandelier, and secure it to the ceiling.
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