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Feeders which supply continuous-duty circuits must be derated to what percent of the load served?
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∙ 12y ago
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∙ 12y ago
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What well known scientist said Invention is 10 percent inspiration and 90 percent perspiration?
I believe Thomas Edison said Genius is 10 percent inspiration and 90 percent perspiration.
How many dB attenuation translates into 75 percent of voltage being lost to attenuation?
100 percent means full voltage or 0 dB.When 75 percent of the voltage is lost you still have 25 percent of the voltage.25 percent means damped to (-)12 dB.
For what types of construction is cement chiefly used?
in the mid-1990s about 55 percent of cement shipments in the United States was consumed in building construction, with 22 percent used for residential and 19 percent for commercial construction
What famous quotes did Thomas Edison make regarding innovation?
"Genius is 1 percent inspiration and 99 percent perspiration."
Preparation of 1 percent agarose gel or How to prepare 1 percent agarose gel?
Check the answer for How do you make an electrophoresis gel?
Voltage drop not exceeding what percent is allowed for feeders?
According to the NEC (national electric code) a maximum of 2% voltage drop is allowed.
What size wire do i need for 45 amps at 200'?
Assuming 120 volts, you would need at least 4 AWG, which would give you a 5.6 percent voltage drop at 56.25 amps (i.e., full-time 45 amps derated for 80 percent design rule). At 240 volts you would only need 6 AWG, giving you a 4.5 percent voltage drop at 45 amps.
What is the continuous working load on a 50 amp breaker?
As stated in the electrical code, circuits are to be loaded to 80 percent of the total capacity when operating in a continuous state..
How many electric heaters can you put on a 2 pole 15 amp breaker?
2800 watts at 240 volts would give you the 80 percent derated ampacity. <<>> Without a voltage voltage being stated, an answer can not be given. Electric heaters are sized by wattage and are used on many different voltages. Wattage is the product of amps times volts. So as you can see without the voltage the question can not be answered.
What is a good value of percent error?
That depends a lot on the application. In electronic circuits, an error of 5-10% or even more is often acceptable; for some applications, you need a much greater precision - even a millionth or less in some cases.
What is the brain about?
The brain is an organ in your head that demands 75 percent of your energy. It is where thinking takes place, and all movement is planned. Your brain controls your whole body! It is also your neuro-center. The brain is more complex than all the circuits in your computer!!
What is the average of 82 percent 94 percent 89 percent and 91 percent?
The average of 82 percent, 94 percent, 89 percent, and 91 percent is 89 percent.
If you get an 85 percent 79 percent 92 percent and 100 percent what would your overall grade be?
(85 percent + 79 percent + 92 percent + 100 percent)/4 = 89 percent
What is 30 percent of 20 percent of 150 percent?
30 percent of 20 percent of 150 percent = 0.09
What is the combination of a simple percentage of 21 percent 32 percent 76 percent and 95 percent?
(21 percent) + (32 percent) + (76 percent) + (95 percent) = 2.24
Is 0.900 percent equal to 90 percent?
0.900 percent = 0.90 percent = 0.9 percent = 9/10 percent 0.900 percent = 0.009 0.900 = 90 percent
What is the percent of 75 percent percent of 42?
(75 percent) percent of 42 = 31.5%
