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NCCER ELECTRICAL LEVEL 3 Module 6 'Distribution Equipment' Questions and Answers Latest, Exams of Electrical Engineering

Western Governors University (WGU)Electrical Engineering

NCCER ELECTRICAL LEVEL 3 Module 6 'Distribution Equipment' Questions and Answers Latest (2026 / 2027) (Verified Answers)

Typology: Exams

2025/2026

Available from 03/30/2026

Karegi
Karegi 🇺🇸

2.6K documents

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NCCER ELECTRICAL LEVEL 3 Module 6 'Distribution Equipment'
1
/
8
1.
Which of the following is true
with regard to switchboards
2.
When installing wiring within
switchgear, use self adhesive
cable ties every .
3.
The maximum voltage that a
piece of equipment can with-
stand is known as its .
Switchboards are used to subdivide large blocks of power
12"
(300mm)
Basic
impulse
insulation
level
(BIL)
4.
Bolted pressure switches are of-
Circuit
breakers
ten used in place of .
5.
A transformer's temperature
rise rating refers to .
6.
A service has a three-phase
supply with 14 single-pole cir-
cuits and 4 three-pole circuits.
The minimum number of poles
required is .
7.
Per NEC Section 408.3(E)(1), AC
phasing in switchboards must
be labeled .
8.
On a typical electrical diagram,
the standard abbreviation for a
phase meter is .
The maximum elevation above ambient temperature that the
transformer can withstand without insulation damage
30
A,B,C from front to back, top to bottom, or left to right when
read facing the front of the switchboard
PH
9.
100
megohms
pf3
pf4
pf5
pf8

Partial preview of the text

Download NCCER ELECTRICAL LEVEL 3 Module 6 'Distribution Equipment' Questions and Answers Latest and more Exams Electrical Engineering in PDF only on Docsity!

  1. Which of the following is true with regard to switchboards
  2. When installing wiring within switchgear, use self adhesive cable ties every.
  3. The maximum voltage that a piece of equipment can with- stand is known as its. Switchboards are used to subdivide large blocks of power 12" (300mm) Basic impulse insulation level (BIL)
  4. Bolted pressure switches are of- Circuit breakers ten used in place of.
  5. A transformer's temperature rise rating refers to.
  6. A service has a three-phase supply with 14 single-pole cir- cuits and 4 three-pole circuits. The minimum number of poles required is.
  7. Per NEC Section 408.3(E)(1), AC phasing in switchboards must be labeled.
  8. On a typical electrical diagram, the standard abbreviation for a phase meter is. The maximum elevation above ambient temperature that the transformer can withstand without insulation damage 30 A,B,C from front to back, top to bottom, or left to right when read facing the front of the switchboard PH
  9. 100 megohms

The typical insulation resis- tance of equipment rated at 480V is.

  1. A typical overpotential test volt- 2,000 VDC age for a used piece of equip- ment with a nominal voltage class of 600V is.
  2. A ground fault relay should be mounted in an enclosure. In a vertical position with the terminal block at the lower end
  3. In Industrial applications, medi- 1,000V up to 35,000V um voltage may refer to sys- tems rated over.
  4. The term Interrupting rating refers to the.
  5. Which of the following is NOT a general classification of circuit breakers?
  6. A 4,000A switchboard requires a minimum distance from the phase bus to the closest steel member of.
  7. When an unintended path is established between an ungrounded conductor and ground, it is called a(n). maximum current a device will safely interrupt at rated voltage Fuse circuit breaker 6" (150mm) ground fault
  8. power transformer

beled to indicate where to ter- minate it?

  1. A device that is specifically de- signed to protect equipment from ground faults through the use of sensors is a.
  2. According to the IEEE Identifi- cation System found in Appen- dix A of this module, if device No.51 is indicated on an electri- cal print, it would be a(n).
  3. Name the four general classifi- cations of circuit breakers. ground fault relay AC time overcurrent relay Air, Oil, Vacuum, and Gas circuit breakers
  4. What are the two basic function Provides a means of switching or disconnecting power sys- performed by switchgear?
  5. When wiring switchboard elec- trical components, keep the control wires at least from moving parts.
  6. Specific instructions for han- dling, storage, installation, test- ing, and maintenance of distri- bution equipment are found in the. tem apparatus; provides power system protection by auto- matically isolating faulty components 1/2" (13mm) manufactures instructions

What is the function of an MVL switch?

  1. Common causes of ground faults include , , , , , and.
  2. The standard output voltage of a potential transformer is or , depending on whether the primary connec- tions are from phase-to-phase or phase-to-neutral.
  3. The type of conductor that may be any color except green, green with a yellow stripe, white, or gray is a(n).
  4. Define the term interrupting rating.
  5. Switchboard control and meter wiring standards shall meet the requirements of.
  6. What are the standard ab- breviations for a time-delay open, pressure switch, auxiliary switch, and backlighted push- button? Its designed to conform to ANIS standards for metal-enclosed switchgear deteriorated insulation, moisture, dirt, rodents, foreign ob- jects(tools), and careless operation 120V or 69.3V ungrounded conductor (Hot) The maximum current a device is intended to interrupt under standard test conditions. NEC Section 110. TDO, PS, XS, BLPB

Study online at https://quizlet.com/_c4hu

  1. When the CT is on an energized Burn up buss and not connected will.
  2. What type of diagram shows the actual wiring connection between u it assembles or equipment with each wire la- beled to indicate where to ter- minate it? Point to Point
  3. The 3 sections of switchgear are front/bus/the cable or termination .
  4. How do you check ohms of switchgear?
  5. Non standard abbreviations used on drawings are typically defund in the what
  6. The continuous current that a circuit breaker can carry with- out exceeding a standard temp rise is known as the
  7. The voltages and amps used in primary circuits of sub station- ing are reduced to useable lev- els by
  8. The most important consider- ation for selecting a current transformer for relating is the 1000v megger Legend Rated current Instrument transformer Saturation level

Study online at https://quizlet.com/_c4hu

  1. The basic purpose of a switchgear is To provide power system protection by automatically isolating faults
  2. Circuit breakers are given on The nameplate