Electrical Wiring: Residental - With Plans (Paperback) Package
18th Edition
ISBN: 9781305416376
Author: MULLIN
Publisher: Cengage
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Chapter 30, Problem 1R
To determine
Mention the NEC article number which is used to cover for the wiring of swimming pools.
Expert Solution & Answer
Answer to Problem 1R
The NEC Article 680 covers for the wiring of swimming pools.
Explanation of Solution
Discussion:
Refer to NEC Article 680 which states that the article contains a special requirement that is unique to all swimming pools, decorative pools, wading pools, fountains, spas, hot tubs, therapeutic, and similar water-related equipment’s. Therefore, the requirements for the wiring of swimming pools are in addition to the general Code requirements and are also found in other articles of the NEC.
Conclusion:
Thus, the NEC Article 680 covers for the wiring of swimming pools.
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You and your crew have made it through the night and the day has brought more warmth. After searching the industrial site, you find an abundant amount of fuel to run the generators to keep you warm. You also find a memory card labelled “cure”, but your cell phone battery is dead. First things first, you will need to stay safe as the zombies continue to hunt you in your current location. The industrial site is surrounded by a metal chain-link fence. You decide you will electrify the fence to keep the zombies from scaling it. But the output voltage from the generators is not high enough to really deter them. You would like to apply around 10 kV to the fence (AC or DC, at that voltage it doesn’t really matter). You find a transformer that you can use but it only has a turn ratio of 10. You find some diodes and capacitors and construct the circuit shown in Figure 3 with the intention of hooking Vout to the fence.
1. Perform a circuit JS simulation, displaying…
2. A three-phase transformer connection Yy, 2000 kVA, 20000/6000 V has the relative short-circuit voltages Ecc = 7% and ERcc = 1.7%.It is known that when empty this transformer consumes a power Po = 12.24 kW.
Calculate:a. Parameters Zcc, Rcc, Xcc, referring to the primary and EXcc.b. If the transformer is connected at rated voltage and feeds a load of 1800 kVA, fp = 0.8, calculate the line voltage at the secondary.c. The maximum apparent power, and the maximum efficiency fp = 0.8 inductive.
Perform the exercise by the collaborators and without using artificial intelligence please
1. A three-phase transformer with Yd connection, 300 kVA, 12000/220 V, has been short-circuit tested on the high voltage side giving the following results: 750 V, 14.434 A, 10838 W.When the transformer is connected to nominal voltage without load it consumes 5400W.
Calculate:to. Relative voltages of short circuit high voltage side: εcc, εRcc and εXcc.b. The voltage in the secondary when the transformer is connected to nominal voltage and feeds a load of 200 kW fp = 0.8 in delay.c. Apparent power of maximum efficiency and maximum efficiency with fp = 0.95 inductive.
Please solve for one of the collaborators and without using artificial intelligence
Chapter 30 Solutions
Electrical Wiring: Residental - With Plans (Paperback) Package
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