143 S3 Junction Boxes

143 S3 Junction Boxes

Professional Development

30 Qs

quiz-placeholder

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143 S3 Junction Boxes

143 S3 Junction Boxes

Assessment

Quiz

Specialty

Professional Development

Medium

Created by

Rizwan Rizwan

Used 3+ times

FREE Resource

30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the purpose of a junction box?
A) To contain wiring junctions or intersections
B) To control the flow of electricity in a circuit
C) To provide protection against environmental hazards
D) All of the above

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Junction boxes are used in which of the following applications?
A) Domestic
B) Commercial
C) Industrial
D) All of the above

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which of the following is NOT a basic check an electrical inspector must complete while inspecting junction boxes?
A) Verify accessibility of all junction boxes
B) Verify the junction box is not damaged or corroded
C) Verify that cables are unsecured entering the junction box
D) Check for enough length of conductors within the junction box

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the function of built-in terminals in some junction boxes?
A) To improve ventilation
B) To prevent electric shock
C) To provide additional security for wiring connections
D) To reduce the risk of fire and explosion

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is one benefit of using junction boxes in domestic wiring?
A) They enable future modifications to wiring systems to be made easier
B) They are more cost-effective than other wiring methods
C) They improve the aesthetic appearance of wiring
D) They increase the efficiency of electrical systems

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the purpose of Ingress Protection (IP) codes?
A) To categorize and rate accessories for electrical safety
B) To prevent dust and water ingress to accessories
C) To ensure the safe connection of wiring
D) To protect against mechanical impact resistance

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which rating system is used to categorize and rate accessories against personal access to hazardous parts?
A) NEMA rating
B) IP rating
C) IEC standard
D) IEEE standard

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