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What current does a 3/4-hp air conditioning unit draws when it plugged to a 220-volt outlet?

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter23: Special-purpose Outlets—electric Heating, Air Conditioning

Section23.1: Electric Heat

Problem 9R: What advantages does a 240-volt heating unit have over a 120-volt heating unit?...

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Concept explainers

Electrical Heating Unit

The conversion of electrical energy to heat energy is known as electric heating. The heating system that converts the electrical energy to heat energy for various application is called electrical heating unit. Electricity is employed as the firing mechanism in electric heating systems, which transforms electric current to heat. Electric heaters have heating elements in the form of electric resistors.

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Please answer all questions and give me a sample answers, 1- What determines the ampacity of a wire? 2- When armored cable is used, what protection is provided at the cable ends? 3-A 120-volt branch circuit supplies a resistive heating load of 10 amperes. The distance from the panel to the heater is approximately 140 ft. Calculate the voltage drop using (a) 14 AWG, (b) 12 AWG, (c) 10 AWG, (d) 8 AWG copper conductors. See 210.19(A), Informational Note No. 4 and 215.2(A)(3), Informational Note No. 2. 4-In problem 3, it is desired to keep the voltage drop to 3% maximum. What minimum size wire would be installed to accomplish this 3% maximum voltage drop? See 210.19(A), Informational Note No. 4 and 215.2(A)(3), Informational Note No. 2. 5-NEC 215.2, 220.61, 230.42, and 310.15(B)(7) state that the neutral conductor of a residential service or feeder can be smaller than the phase conductors, but only 6-The allowable ampacity of a 4 AWG THHN from Table 310.15(B)(16) is 95 amperes. What…