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Direction. Answer each problem and show your solutions cleanly and clearly. Draw diagrams._______________________________________________________________________________________________________________________

f.1. Since the footing or foundation is generally part of the grounding electrode system, the _______electrode is one of the first electrodes installed.A. metal water pipeB. plateC. concrete-encasedD. ground ringf.2. When you're connecting the grounding electrode conductor to a metal water pipe as it enters a building,the connection must be made within _______ feet of the pipe's entrance to the building.A. 10B. 5C. 15D. 7f.3. Which National Electrical Code table is used for sizing grounding electrode conductors?A. Table 250.102(C)(1)B. Table 250.66C. Table 250.122D. Table 250.118(6)(a)

Calculate the assigned values in the circuits below.       E2 = ________            E3 = _________          E6 = _________          E9 = _________ E11 = ________           E13 = _________         RT = ________            R6 = __________ IT = _________           I5   = __________        I7 = _________           I10 = __________ PT = ________

Answer the following: A) Type of clipper circuit per level of clipping. 1. ___________ 2. ___________ 3. ___________   B) Type of clipper circuit per non-linear devices used. 1. ___________ 2. ___________   C) Other term for clipper circuit. 1. ___________ 2. ___________ 3. ___________

2. Imagine that you're asked to install an auxiliary grounding electrode at the base of a lighting pole in aparking lot. This auxiliary grounding electrode will be connected to theA. lighting pole's electrical service equipment grounding conductor.B. electrical service's grounding electrode conductor.C. next lighting pole's auxiliary grounding electrode.D. lighting pole's neutral conductor.

1. A single receptacle installed on an individual branch circuit must be rated at least _ pecenrt of the rating of the branch circuit. A. 50 B. 60 C. 90 D. 100 2. In a dwelling unit, the minimum required kitchen small appliance receptacle outlets must have no other outlet except. A. part of a luminaire or appliance B. Located within cabinets of cupboards C. Refrigeration receptacle D. all of these

Answer each problem and show your solutions cleanly and clearly. Draw diagrams.__________________________________________________________________________________________________________

______________1.      It checks the ability or range of operations of the electronic components that be run in the system. ______________2.      It assesses the ability of the electronic components to exchange information or can access data without any restriction. ______________3.      It evaluates the ability of the part to meet the functional, mechanical, and electrical performance requirements.

QUESTION 9 When a ground wire is connected to an interior gas piping system and the underground portion of the gas pipe into the building is plastic, which of the following is (or are) true? a   A.This would be approved by code as the gas pipe is only being bonded to the electrical system. b   B.This installation would be approved by code, as the gas pipe is not a grounding electrode. c   C.Both A and B d   D.Neither A nor B

___________ is an Area on a device characteristic where the ratio between applied voltage and resulting current is constant.

If the total computed load of a residence is 45,840 volt-amperes, the computed amperage of the residence is __________ amps

Explain each option & Choose the correct option. 4) The _ calculated load is rarely placed on an electrical system.A. optionalB. standardC. total 5) What's the primary disadvantage of using copper conductors?A. CostB. AvailabilityC. Weight 6) You're evaluating the components of a multioccupancy building that won't have an on-site employee. To be compliant with the NEC, each occupant will need to have access to their ownA. service-disconnecting means.B. service conductor.C. cable attachment point.D. emergency fire water pump disconnect ..

13. If an equipment bonding jumper is run external to a raceway, it must be less than _______ feet.A. 6B. 2C. 4D. 5

To answer the question, type your answers in RED or paste the image of your handwriting solution   Given the circuit #1 presented above, answer the following questions:   Determine the value of the VD (voltage forward of the LED) for the LEDs RED, VDRED, GREEN, VDGREEN and BLUE, VDBLUE, when the current through the LEDs is 10mA,   VDRED = ____________ ; VDGREEN = ____________ ; VDBLUE = ____________   Is the LED in Circuit #1, connected in the way that will be lighting up or not – Justify your answer   Type your answer here     Calculate the value of the resistance Rled in Circuit #1, to ensure that a RED LED will have a current of 10 mA Type your answer here or paste the image of your handwriting solution here     Calculate the value of the resistance Rled in Circuit #1, to ensure that a GREEN LED will have a current of 10 mA Type your answer here or paste the image of your handwriting solution here     Calculate the value of the resistance Rled in Circuit #1, to ensure that…

4.a. The ___ calculated load is rarely placed on an electrical system.A. optionalB. standardC. total  4.b. What's the primary disadvantage of using copper conductors?A. CostB. AvailabilityC. Weight 4.c. You're evaluating the components of a multioccupancy building that won't have an on-site employee. Tobe compliant with the NEC, each occupant will need to have access to their ownA. service-disconnecting means.B. service conductor.C. cable attachment point.D. emergency fire water-pump disconnect.

If an electrical system operates at a potential higher than 600 volts, the nonmetallic conduit must be encased in at least_of concrete. A. 1 inch B. 2 inches C. 4 inches D. 6 inches

6.a. Extreme _______ may cause some nonmetallic conduits to become brittle and therefore moresusceptible to damage from physical contact.A. coldB. corrosionC. voltageD. heat6.b. Snap switches are permitted to be grouped or ganged in an enclosure provided the voltage between theadjacent snap switches does not exceed ___ V.A. 400B. 300C. 200D. 100

1)The NEC Style Manual indicates that if a term in the NEC appears in more than two articles, it qualifies for a definition in which of the following. a) The articles where the term appears b) Article 90 c) Article 100 d) Table of Contents  2)Definitions of terms related to grounding and bonding and used only in Article 250 are located in ________.a) Article 100 b) Article 200 c) Chapter 9 d) Section 250.2  3)As a general rule, when installing ground rod electrodes, two must be installed always unless a single ground rod provides not more than 25 ohms’ resistance to ground. a) True b) False

A lighting and appliance branch - circuit panelboard is generally one of which natural connections are provided and more than 10% of the overcurrent devices are rated at___ampares or less A . 15 b. 20 c. 30 d. 50

nat wattage was used for each vanity luminaire to calculate the estimated Joad Circuit A14? on 4. What is the current draw for the answer given in problem 3? 5. Exposed non-current-carrying metallic parts of electrical equipment must be grounded ft m) vertically or ft (_ if installed within (- metal work or grounded surfaces. m) horizontally of bathtubs, plumbing fixtures, pipes, or other grounded 6. What color are the faceplates in the bathrooms? Refer to the specifications. 7. Most appliances of the type commonly used in bathrooms, such as hair dryers, electric shavers, and curling irons, have 2-wire cords. These appliances are insulated or protected. 8. a. The NEC in Section requires that all receptacles in bathrooms be protected. b. The NEC in Section requires that al receptacles in bathrooms be con- nected to one or more separate 20-ampere branch circuits that serve no other outlets. c. The NEC in Section branch circuit for bathroom receptacles to supply more than one bathroom.…

7.A. Ferrous metal raceways or enclosures are made with _______ content.A. steel or brassB. aluminum or ironC. brass or aluminumD. iron or steel7.B. The size of a grounding electrode conductor for a service or separately derived system is generally basedon the size of the largestA. ungrounded supply conductor.B. equipment grounding conductor.C. grounded electrode.D. bonding jumper.7.C. Which of the following statements about bonding is true?A. The joint or termination must offer opposition in the circuit for effective electrical connections.B. Effective bonding keeps impedance high if a fault should occur.C. The entire electrical safety circuit is only as good as its strongest bonded link.D. Bonding connections must endure high levels of fault current until overcurrent protective devices can operate.

Fill in the blanks. One of electrical wiring design procedure is that circuit all ____________ and __________ to the appropriate panels and prepare the panel schedule.

QUESTION 76 The receptacle outlet for a dwelling unit bathroom shall be located on a _____ adjacent to the basin or basin countertop, on the countertop, or on the side or face of the basin cabinet, and never more than 12 in. below the top of the basin or basin countertop.   a. light fixture   b. partition   c. wall   d. a or b

5. The general receptacle spacing requirements for all dwelling units are located in Section of the NEC. T F 6. The floor receptacle outlets shown in the middle of the workroom are always counted as part of the required number of receptacle outlets as described in Section 210.52(A)(1). 7. The ceiling-mounted decorative light fixture in the covered stoop area weighs 90 lb. Special mounting provisions that apply to this installation are located in Section of the NEC. 8. All exterior luminaires that are exposed to weather shall be marked

What follows is a numeric fill in the blank question with 3 blanks. Figure 1 shows the three phases V-t graph in Turkey. Please write the indicated values with their units in boxes and Voltage - time function of each phase in table below. Please write the units in the second box. 1= _______________ V 2=  ________________ms 3=  _______________ms

On site plans, all evevations are referenced from_. A. The centerline of a street B. Ground level C. A bench mark D. A test boring

Determine the proper size of copper wire conductor necessary to apply a 750 W electric motor that is located 100 feet from the panel board. The voltage at the panelboard is 120 volts. The permissible line drop is 1.2 volts. (for your final answer: no decimal places and unit to have one common answer)

Messages AA Statement one Training will allow you to safely erect a mobile. tower scaffold on any ground surface condition. and access the tower both internal and externally Statement two In windy conditions placing sheeting around the mobile tower scaffold will protect the workers on the tower a) Statement two is incorrect b) Statement one and two are correct c) Statement one is correct and statement two is incorrect d) Both statements are incorrect actclass.co.uk 22 Questi 23 Questi 24 Questi 25 Questi 26 Questi Submit Answers Ć

The circuit breaker cubicles illustrated in your reading material each contain____circuit breakers. A. Two B. Three C. Four D. Six

Explain with the aid of your investigations why a minimum separation between the individual wind turbines is necessary in large wind farms in order to avoid power losses. *********

If a recessed  luminary without an integral junction boxes installed what extra wiring must be provided

TOPIC: Power Systems, Power Plants & IlluminationINSTRUCTIONS:- Answer in this format: Given, Illustration, Required Conversion, Solution, Final Answer.- Step-by-step solution, do not skip even simple calculations to avoid confusion.- If answered in written form, make sure it is readable.PROBLEM:In hazardous locations, the use of non-metallic conduit shall be permitted provided it is buried NOT less than ___________ blow the earth level. 400 mm 600 mm 1000 mm 500 mm

1.1 PV modules can be wired together in an array using ______ connections to increase voltage. a. Terminating b. Series c. Parallel d. AC 1.2 A PV module, also called a solar panel, is comprised of individual photovoltaic _______ wired and mounted together as an integrated unit. a. Capsules b. Compartments c. Chips d. Cells   1.3 A __________ system uses a storage system that stores the generated electricity so it can provide during times when the system’s panels are not receiving solar energy. a. Direct coupled b. Self regulating c. Charge controlled d. Indirectly connected   1. 4 __________ energy may have the potential to supply all of the world's energy needs, but at this time, it provides a very small percentage. a. Coal b. Natural Gas c. Diesel d. Solar