What is the 277-volt–single-phase–60-hertz system used for? Select one: A. RECEPTACLE BRANCH CIRCUITS B. LIGHTING BRANCH CIRCUITS C. MOTOR BRANCH CIRCUITS D. RESIDENTIAL BRANCH CIRCUITS

Q: What precautions must be utilized and maintained when setting up or using a Delata 4 wire system…

A: A four-wire delta system is a three-phase delta connection with a centre-tap on one of the…

Q: 4. What terms describes an overcurrent protective device having an interrupting rating in compliance…

A: According to article 110.9 of the NEC, Circuit breaker describes an over-current protective device…

Q: What is the service entrance of a building electrical system and what are its components?

A: Service entrance of a building is related to house connections.

Q: What is mean by equipment grounding and system grounding?

A: As per bartleby guideline for more than one question asked only first three are to be answered…

Q: What justifies the need for plenumrated cabling above the ceiling tile?

A:

Q: Show the connections for a ceiling outlet that is to be controlled from any one of three switch…

A: The given figure consists of the 120 V source, two three-way switch, and one four-way switch. it is…

Q: The minimum depth for a 120-volt, 20-ampere, GFCI protected circuit to an outdoor receptacle run…

A: The circuits rated 120 V and over current protection not exceeding 20 Amperes with GFCI protection…

Q: What are the three project categories an electrical contractor may choose to browse?

A: There are different projects in the world, and every project needs some specialty for completing it.…

Q: 6.A. How many grounded neutral conductors are in a 208Y/120 volt, 3-phase, 4-wire system? A. Three…

A: A power station is to provide electricity to a huge number of people. Different customer’s power…

Q: Discuss application and uses of earth leakage breaker ?

A: ELCB (Earth Leakage Circuit Breaker):- An ELCB (Earth Leakage Circuit Breaker) is an electrical…

Q: How the required number of branch circuits can be determined?

A: According to the National Electrical Code (NEC), for individual branch circuits, the value of the…

Q: Name and explain the process to join any electrical component on strip board

A: A circuit board known as a "stripboard" has parallel strips of copper material along the length of…

Q: If required, what type of diagram must indicate the calculated load, demand factors, conductor type…

A:

Q: Why is it crucial to design a wiring system in farm structures?

A: The wiring systems are designed to carry consistent continuous electric current . These should be…

Q: What unique type of electrical protection is required for all 120-volt, single-phase, 15- and…

A:

Q: What are Diagram,Construction, Operation, Advantages and Disadvantages of DC Circuit Breaker.

A: A circuit breaker is a flexible device that can be automatically operated to control and protect the…

Q: A single-phased load is located 2800 ft from its source. The load draws a current of 86 A and…

A: Maximum voltage drop is 3% Edrop=480×3100=14.4 V So maximum allowed resistance is…

Q: what wire size is needed on a one 20 amp, 120-volt bathroom circuit? what wire size is needed on a…

A: Proper wire size is an important fact to be considered in any of the electrical wiring installation.…

Q: What would be the voltage regulation of the system?

A:

Q: Which of the following systems of wiring has poor durability? O TRS Wiring O CTS wiring O Lead…

A: There is the table for some wiring system with its durability:   Wiring system Durability…

Q: Define a wiring diagram?

A: The wiring diagram is the diagram that show the details of all the connections of the objects…

Q: How MTS work? The procedure of operating the Manual Transfer Switch (MTS)

A: A manual transfer switch panel, or MTS panel, is a type of transfer panel used with a diesel…

Q: Why is it necessary to run plenumrated cabling above the ceiling tile?

A:

Q: what wire size is needed on a one 20 amp, 120-volt water pump circuit?

A: Cable size for to carry 20 amp, 120v

Q: The LRT trolley system 10 miles ling is fed by two substations that generate 600 volts and 500…

A: Total resistance of the wire = resistance per mile× length of the wire in mile. Voltage drop in line…

Q: 1. What are the minimum allowable ampacities of the phase conductors and the neutral conductor that…

A: Here given,V=230VP=30hpKnow that,1Hp=746WP=30×746=22380WCurrent,I=PV=22380230=97.3A

Q: How far can a 230V, 50A, three-phase load be located from a panelboard if it's fed with 3 AWG…

A: The Length of the load from the panel board is calculated as shown below

Q: How can you calculate the maximum short-circuit current that can pass when the A-B ends of an outlet…

A: The detailed answer is solved below according to the given parameters and instructions in the…

Q: Four No. 12 and four No. 10 conductors are to be installed in a EMT conduit 600 V jacketed. What…

A: Given four No. 12 and four No. 10 conductors are to be installed in a EMT conduit 600 V jacketed. We…

Q: what wire size is needed on a one 30 amp, 120/240-volt electric clothes dryer branch circuit? what…

A: The proper selection of wire size is an important factor to be considered in any electrical wiring…

Q: Describe a situation where you would need to use a combination single-pole/three-way switch.

A: In the installation of Dimmer switches we generally use the combination of single pole and three way…

Q: What code sets stabdard for the electrical installation work?

A: In the following section, the code which sets standards for electrical installation work has been…

Q: If the system bonding jumper in a DC system is a screw, what color must the screw be? A. White B.…

A: The solution is given below

Q: 14. During normal operation of a typical 120-volt appliance circuit, current flows through the hot,…

A: Given: A 120 volt appliance and during its normal operation the flow of current is through hot,…

Q: A 25-HP, continuous-duty, three-phase squirrel-cage induction motor is connected to a 240-volt line.…

A: according to question we have to find the value of size conductors should be used.

Q: List the basic concepts involved in house wiring?

A: Some of the basic concepts related to home wiring are mentioned below, At the time of wiring, all…

Q: What is mean by equipment grounding and system grounding? 2. Discuss any two types of grounding…

A: Grounding is provided for the equipment or system in order to protect the system from short circuit…

Q: Fuse and circuit breakers are the common household circuit.   TRUE OR FALSE

A: Answer: TRUE  Because Nowadays  in every where we use these fuses and circuit breaker to protect our…

Q: Who has the responsibility for Code interpretations? When are rules in the PEC mandatory and when…

A: 1. Who has the responsibility for Code interpretations? Answer :  As per NEC, section 90.4 and…

Q: 8. All conductors of a multiwire branch circuit must originate from ____

A: A multi-wire branch circuit is circuit which has two or more ungrounded and one grounded conductors

Q: Airframe Electrical System Question: What is the maximum acceptable voltage drop from the voltage…

A: The maximum acceptable voltage drop from the voltage source to the utilization equipment's ground in…

Q: Terminals of switches and receptacles marked CO/ALR are suitable for use with _______________,…

A: The term CO/ALR is abbreviated as Copper Aluminium Revised.  The switches are rated as 15 A and…

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.