Yes, polarity is always important. Many under cabinet fluorescent fixtures are small enough to use a small transformer rather than a ballast. But even then, the transformer will have a longer life if it's wired with correct polarity.
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Fluorescent lights use far less energy than any of the others listed.
A. no power to the fixture that won't turn on. B bad electrical connection. c. burned out fluorescent lamps d. bad lamp holders e. bad ballast f. etc.
A 55 watt fluorescent light only pulls 0.4 amps. Lights can be installed on a 15 amp breaker using 14/2 wire. A maximum of 1440 watts is all that is allowed on a 15 amp circuit.
There are several different types of LED lights available, each designed for specific purposes. Here are some common types: Standard LED Bulbs: These are the most common type of LED lights used for general lighting purposes in homes, offices, and commercial spaces. They come in various shapes and sizes to fit standard light fixtures. LED Tubes: LED tube lights are designed to replace traditional fluorescent tube lights. They offer energy savings and longer lifespans compared to fluorescent tubes. LED Strips: Also known as LED tape lights or ribbon lights, LED strips consist of small LED chips mounted on a flexible circuit board. They are versatile and commonly used for accent lighting, under-cabinet lighting, and decorative purposes. LED Spotlights and Floodlights: LED spotlights and floodlights provide focused illumination and are commonly used for outdoor lighting, security lighting, and highlighting architectural features. LED Panel Lights: LED panel lights are thin, flat lighting fixtures that provide uniform illumination. They are often used in offices, schools, hospitals, and commercial buildings as a replacement for traditional fluorescent troffer lights. LED Downlights: LED downlights, also known as recessed lights or can lights, are installed into the ceiling to provide directional lighting. They are popular for both residential and commercial applications. LED High Bays and Low Bays: These are powerful LED fixtures designed for high-ceiling environments such as warehouses, factories, gymnasiums, and retail spaces. LED Street Lights: LED street lights offer energy efficiency and long lifespans for outdoor lighting applications, including street lighting, parking lots, and pathways. LED Grow Lights: LED grow lights are specifically designed to support plant growth indoors. They provide the necessary spectrum of light for photosynthesis and are commonly used in indoor gardening, hydroponics, and commercial greenhouse operations. Smart LED Lights: These are LED lights that can be controlled remotely via smartphones, tablets, or smart home systems. They often come with features such as dimming, color-changing capabilities, and scheduling options for customizable lighting experiences. this information is provided by: world smart led
Remember that dimmers are for incandescent lights only unless you invest BIG BUCKS on dimmable fluorescent lights and fluorescent dimmers. Make sure that the switch that you replace with the dimmer does not control a plug-in outlet unless it is a lamp. You could do harm to an appliance not designed for such use. Otherwise,just add up the wattage of all the bulbs on the dimmer and buy one of the next size rating. So if you have two 60 watt bulbs, two 75 watt bulbs-- that's 270 watts total.Find a dimmer rated for 300 watts or more.