A water heater nameplate indicates 4200 watts @ 240 Volts.  What is the maximum current draw? What is the maximum size fuse or circuit breaker that should be used?

Q: What color fluorescent lamps recommended for residential installation

A: White color fluorescent lamps recommended for residential installation .

Q: According to the chart, which LEDS are suitable for a 1950 resistor? *

A: The solution can be achieved as follows.

Q: 1. Explain why the bedroom light becomes a bit dimmer when an air- conditioning unit is turned on?

A: Bedroom  lights become a bit dimmer when an air conditioning unit is turned on  because when when AC…

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

A: 12 gauge what wire size is needed on a one 20 amp, 120-volt laundry branch circuit.

Q: Are plug fuses(Type S) permitted to be installed in a switch that disconnects a 120/240-volt clothes…

A: Yes, Type S fuse is permitted to be installed in a switch that disconnects a 120/240 volt clothes…

Q: explain the LIGHTING FIXTURES INSTALLATION

A:

Q: what is  the largest size overcurrent protection device (fuse or breaker) allowed to protect the…

A: Concept: The circuit which is used to electrically describe and model either continuous materials or…

Q: A 600 volt, 100 amp class K fuse will fit into the same fuse holder as a 600 volt ,100 amp RK fuse.…

A: Class K fuse-   This is the fuse available in the DC Rating.   Current and voltage ratings are…

Q: 2 - What is called the fuse box at the entrance of a building where the main fuses are located and…

A: What is called the fuse box at the entrance of a building where the main fuses are located and…

Q: what is fuse, outlet, switch and plug?

A:

Q: An 800 amp fuse rated at 600 volts, on a 250 volt system. A. shall not be used B. must be used C.…

A: Given: Fuse rating, Current, Irated=800 A Voltage, Vrated=600 V Applied voltage, V=250 V

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: calculate the computer to load for an electric range that has a nameplate reading of 15 KW?

A: Consider the following data: Nameplate rating of the electric range is, In accordance with NEC table…

Q: What is the branch circuit protective device?

A: Branch circuit protective device is used to protect the motor winding and insulation if due to some…

Q: Draw the block diagram representation of a heating system.

A: Answer- Block diagram of heating system -

Q: what switch type and rating is required to control five 300 watt tugsten filament lamps on a 120…

A:

Q: Which of the following must be notified prior to equipment shutdown for repair? a. Director of…

A: In this question we will write Which must be notified prior to equipment shutdown for repair..

Q: What is the largest voltage drop in the wires that is allowed by the code?

A: As per the NEC keeping in mind about the performance issue. The NEC recommends the largest voltage…

Q: What are Diagram,Construction, Operation, Advantages and Disadvantages of Air Blast Circuit Breaker.…

A: link https://circuitglobe.com/air-blast-circuit-breaker.html

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: Not more than ____ ft of high-voltage cable shall be permitted in nonmetallic conduit from a…

A: The following is a list of some of the requirements for neon design by National Electric Code(NEC):…

Q: If three #10 AWG THHN/THWN wires were run in a conduit inside a building the MAXIMUM size fuse or…

A:

Q: The minimum value of current at which the fuse element melts is called?

A: The minimum value of current at which the fuse element melts

Q: What is  the largest size circuit breaker or fuse permitted to protect this wire

A: Concept: The circuit which is used to electrically describe and model either continuous materials or…

Q: Is the connection to a circuit breaker wired in series or parallel? Explain

A: This question belongs to power system . It is based on the protection system . Circuit breaker is an…

Q: Calculations show that a particular circuit should be protected for a current of 315a. You would use…

A: It is said that a particular circuit should be protected for a current of 315 A. We need to tell the…

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: On which factor, the fuse operation will depends?

A: Mainly there are two factors : Operating current Ambient temperature

Q: 20.a. What's the maximum number of switches or circuit breakers the service-disconnecting means may…

A:

Q: Compare Circuit Breakers and Fuses

A:

Q: Fuses are intended to protect the house wiring, not people.

A:

Q: an electrical system operates at a potential higher than 600 volts, the nonmetallic conduit must be…

A: The correct option is 2inches.

Q: What two types of receptacles are permitted to be used to replace a defective receptacle in an older…

A: According to the National Electricity Code NEC-210-7(d) the two receptacles that can replace a…

Q: In installing a telephone system in a building, PABX is used up to the riser (conduit is used) and…

A: It is mentioned that in installing a telephone system in a building, PABX is used up to the riser…

Q: Determine the proper size of copper wire conductor necessary to apply a 750 W electric motor that is…

A: It is given that: P=750 WL=100 feetVpanel=120 voltsVdrop=1.2 volts

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: 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: Select the most accurate system from the following, a. Air conditioner O b. Traffic light c. Room…

A: Digital systems are more accurate and precise than anolog system because they can be easily expanded…

Q: Question 10 A-How is the minimum number of receptacle outlets determined for the living room? What…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: What is the most common switch used in a heating/air conditioning system.

A: The most common switch used in a heating/air conditioning system is

Q: A sound level meter is placed in front of a loudspeaker of a 60W audio system reads 70dB. All else…

A: Energy travels from one point to other in the form of vibrations. Sound wave is one such form of the…