If a recessed fixture without an approved junction box is installed, what extra wiring must be provided?

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: Can Type TW cable be used in an area that has an ambient temperature of 65degreesC?

A: IN the NEC table of standard cables, it is given the correction factors for the TW cable at…

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

A: The solution can be achieved as follows.

Q: What color fluorescent lamps are recommended for residential installations?

A: A good problem on types of fluorescent lamps used in various places. Have a look at the below…

Q: If a recessed luminarie without an integral junction box is installed what extra wiring must be…

A: Step-1 According to NEC code 410.115(C), the protection against the recessed luminaires'…

Q: When installing a telephone system in a building, a conduit is installed in a riser. Is it okay to…

A: The most preferable method used in horizontal cable Installation for communication cabling is by…

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: What color fluorescent lights are recommended for residential installation?

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: What protection does the three-pole fused disconnect switch-ganged with handle, provide for our…

A: A fused disconnect switch combines a switch for circuit disconnect with a fuse for circuit shutoff…

Q: The _______ point is where the facilities of the serving utility and the premises wiring connect. A.…

A:

Q: Which fuse amperage scheme is suitable for selective protection, starting with a home's electrical…

A: In home electrical power table, fuse rating should be around 100A. Because now days we are generally…

Q: If a recessed  luminary without an integral junction boxes installed what extra wiring must be…

A: Given data:

Q: What is the 277-volt–single-phase–60-hertz system used for? Select one: A. RECEPTACLE BRANCH…

A: 277-volt–single-phase–60-hertz system has the voltage of 277 volt- and frequency of 60 hertz it is…

Q: What type of conduit that should be used where corrosion is a factor?

A:

Q: What does WP stand for on an outdoor receptacle?

A: A residential floor and lighting layout plan is shown in the given figure.

Q: The nec requires what type of unique protection  for all 120-volt 15- and 20- ampere branch-circuit…

A: NEC stands for National Electrical Code. The National Electrical Code is part of the National Fire…

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 many cables enter the wall switch box located next to the side garage door?

A: Appliances installed in garages are generally controlled by switches that are located at three…

Q: What is the minimum branch circuit wire size that may be installed in a dwelling?

A: Basically, the 14 AWG wiring is used for typical lightening loads in the residence.

Q: Why are sockets wired in a ring circuit whilst lighting circuits are radial?

A: It is a kind of ring wires, that carry the mains electricity to the sockets.

Q: Using the image above, what type of contact is used to turn on the "LIGHTS"?

A: here as shown in the ladder diagram two switch S1 and S2 are used to turn off or on the Lights.

Q: The white wire of a cable may be used to connect to a "hot" ungrounded circuit conductor only if ?

A: A "hot" ungrounded cable is the wire that carries major power from the source terminal to the…

Q: Which of the following is an approved disconnecting means for a feeder or branch circuit supplying a…

A: The disconnecting means for a feeder or branch circuit supplying a separate building or structure is…

Q: A water heater nameplate indicates 4200 watts @ 240 Volts.  What is the maximum current draw? What…

A:

Q: Does the code permit bare fluorescent lamp luminaries to be installed?

A: As per the article NEC 410.16A(2), the surface mounted luminaries are allowed to be installed in the…

Q: Differentiate cable tester with multi meter.

A: A cable tester is an electronic device used to check the electrical connections in a signal cable or…

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: _ lines indicate exposed wiring

A: _ lines indicate exposed wiring.?

Q: Does the Code permit bare fluorescent lamp luminaires to be installed?

A: Yes, National electrical code 410.16(A)(2) permits installation of bare fluorescent lamp luminaires.…

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: If nonmetallic device boxes are used with receptacles or switches, how are metal cover plates…

A: According to the NEC codebook, receptacles must be listed for the purpose and must be marked with…

Q: How do you determine the correct rating for branch-circuit protective devices?

A:

Q: Airframe Electrical What is the purpose of the inspection hole on a connector contact?

A: There are different kind of connectors. Crimped contacts are mostly used connectors.Connectors are…

Q: Which method is BEST practice to prevent unknowing individuals from energizing an electrical circuit…

A: The electrical power is transferred from the generation side to the consumer end. The power which is…

Q: 5.a. Typically, the bonding conductor installed between the panelboard equipment grounding terminal…

A: 5.a) Typically, the bonding conductor installed between the panelboard equipment grounding terminal…

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: If a reccessed luminaire without an integraljunction box is installed, what extra wiring mut be…

A: A recessed luminaires are consist of an integral thermal protector which provides the prevention…

Q: draw a pictorial/wiring diagram of the jumpers connected to the front panel of a computer system…

A: The Front Panel Connections, also known as the Front Panel Header or FPanel, are a collection of…

Methods of Wiring

Electrical wiring is the way of integrating cables and wires to interconnected equipment such as fuses, switches, sockets, lights, fans, and so on to the main distribution board, which is a specific structure attached to the utility pole that ensures a constant power supply.