Ewrb exam - Study guides, Class notes & Summaries
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EWRB Theory Exam Prep Questions And Answers 2024
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EWRB Theory Exam Prep Questions And Answers 2024 
What is the minimum value of the permitted test result for the insulation resistance test of a three 
phase, 400V, mains cable? - ANS-1MΩ 
When carrying out testing on a low voltage electrical installation, which document details the tests and 
checks required to be carried out? - ANS-AS/NZS 3000 
What is the minimum or maximum test result value you would consider acceptable for an Earth 
Continuity test? - ANS-1Ω or less 
State TWO types...
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EWRB THEORY EXAM PREP (2024) LATEST QUESTIONS & ANSWERS VERIFIED 100% CORRECT!!
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EWRB THEORY EXAM PREP (2024) LATEST QUESTIONS & ANSWERS VERIFIED 100% CORRECT!!
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EWRB Theory Exam Prep questions with correct answers rated A+
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EWRB Theory Exam Prep questions with correct answers rated A+
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EWRB (MCBs) EXAM THEARY STUDY GUIDE QUESTIONS AND ANSWERS.
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EWRB (MCBs) EXAM THEARY STUDY GUIDE 
QUESTIONS AND ANSWERS.
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EWRB Exam Questions with CORRECT ANSWERS
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EWRB Exam Questions with CORRECT ANSWERS
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EWRB THEORY EXAM PREP (2024) LATEST QUESTIONS & ANSWERS VERIFIED 100% CORRECT!!
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EWRB THEORY EXAM PREP (2024) LATEST QUESTIONS & ANSWERS VERIFIED 100% CORRECT!!
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EWRB Theory Exam Prep TEST QUESTIONS AND ANSWERS (2024/2025) (VERIFIED ANSWERS)
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EWRB Theory Exam Prep TEST QUESTIONS AND ANSWERS (2024/2025) (VERIFIED ANSWERS)EWRB Theory Exam Prep TEST QUESTIONS AND ANSWERS (2024/2025) (VERIFIED ANSWERS)EWRB Theory Exam Prep TEST QUESTIONS AND ANSWERS (2024/2025) (VERIFIED ANSWERS)EWRB Theory Exam Prep TEST QUESTIONS AND ANSWERS (2024/2025) (VERIFIED ANSWERS)
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EWRB Theory Prep – MCBs Exam Questions And Answers
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EWRB Theory Prep – MCBs Exam Questions And Answers 
types of MCB trips - ANS-thermal 
magnetic 
thermal tripping - ANS-bi-metal strip, used for overload currents protection 
magnetic tripping - ANS-magnetic inductor, used for short circuit protection 
reset procedure - ANS-reset to OFF 
reset to ON 
arc containment includes - ANS-horns carry current to chute, allow arc to jump out 
arc chute lengthens distance for arc to travel 
oil suppresses arc 
splitter plates split the arc 
arc...
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EWRB (MCBs) EXAM THEARY STUDY GUIDE QUESTIONS AND ANSWERS.
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EWRB (MCBs) EXAM THEARY STUDY GUIDE QUESTIONS 
AND ANSWERS. 
Question 1: 
A new flexible chord has been fitted, which of the following insolation resistance test values would be 
correct? 
A. 10 MOhm 
B. 0.5 Ohm 
C. 0.5 MOhm 
D. 1. Ohm - ANSWERS A. 10 MOhm 
Question 2: 
The maximum current a flexible cord can carry safely without overheating depends mainly on: 
A. The type of supply, a.c. or d.c. 
B. The cross-sectional area of the flexible cord conductors. 
C. The colours of the fl...
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Electrical wiring EWRB Final Exam Questions and answers | 2024/25
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Electrical wiring EWRB Final Exam Questions and answers | 2024/25
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