How do we bring power to an outdoor lighting fixture? We could run a separate wire for each light directly from the transformer – but that would be too many wires. We could run a wire to the first fixture, then from that fixture to the next fixture. That’s called a daisy chain. ...
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I would like to consider the possibility that light from many small and cool individual sources lends itself to practical use in new ways. These LED strings cannot compete with the concentrated light of a 60 watt incandescent bulb, or a 40 watt fluorescent fixture. Accordingly, their best ...
To measure the light intensity, use a PAR Meter. A PAR Meter measures light intensity within the 400-700 nm range, representing the light plants use for photosynthesis. This tool provides a more accurate measurement of usable light for plants. Measure PAR over the entire footprint of the grow...
During this operation, Brock amps the suspense, working the lens to fill the time. LOVETT Well, here it is, the moment of truth. Here's where we find out if the time, the sweat, the money spent to charter this ship and these subs, to come out here to the middle of the North ...
3/Determine the maximum power consumption of the LED strips.Each LED light strip consumes a specific amount of wattage, or electrical power. It depends on how long the strip is. Check the product label to see how many watts per 1 ft (0.30 m) the lighting uses. Then, multiply the watts...
You may not need air-tight rated fixtures in an outdoor building soffit, but see our notes below about ice dam effects of warm or hot light fixtures in an outdoor roof overhang or soffit. Because an air-tight light fixture housing will run hotter, the wattage in these fixtures and the...
Lightweight, Compact Design – The Whirlaway 291 weighs an astonishing 8 pounds with a dimension product of 6.1 x 13.7 x 5.9 inches. Powerful Motor – With a ½ HP, this permanent magnet motor produces more power per pound. Corrosion Resistant – For longevity and durability the Whirlaway ch...
Expert step-by-step DIY advice on how to install track lighting. Placing light fixtures, gathering tools and materials, planning electrical loads and more. Includes a helpful video
As of March 2015, the average residential cost for drinking from the grid clocked in at 12.35 cents per kwh, or about $3.71 per day [sources: USEIA; USEIA]. Like the rechargeable batteries in your camera or cell phone, these energy cells can only recharge so many times before they ...