Ewrb - Study guides, Class notes & Summaries

EWRB EXAM QUESTIONS 63 AND ANSWERS WITH COMPLETE SOLUTIONS LATEST UPDATE In New Zealand, the standard distribution system has the neutral conductor connected to the earth at the main switchboard on all low voltage installations. What name is given to this type of system? Multiple Earthed Neutral or MEN system. State the test voltage used for carrying out an insulation resistance test on three-phase, 400V, electrical equipment incorporating MIMS elements. 500v dc State one reason why the r...

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 - ANSWER ☑☑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 flexible cord conductors. D. The number of cores in the flexible...

key to success on EWRB exams lies in developing a strong understanding of the key words and phrases that are commonly used in the exam questions provided

EWRB THEORY EXAM PREP (2024) LATEST QUESTIONS & ANSWERS VERIFIED 100% CORRECT!!

EWRB THEORY PREP - MCBS EXAM QUESTIONS WITH ANSWERS 100% GUARANTEED PASS LATEST UPDATE types of MCB trips thermal magnetic thermal tripping bi-metal strip, used for overload currents protection magnetic tripping magnetic inductor, used for short circuit protection reset procedure reset to OFF reset to ON arc containment includes 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 c...

EWRB THEORY PREP - LOTO EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED LOTO Lock Out Tag Out examples for protective /isolating device Disconnect Switch, MCB, Line valves LOTO tags must _____ the employee IDENTIFY employee LOTO devices shall be standard 1,2,3 1, colour 2, shape 3, size LOTO procedures can only b performed by ______ authorized employees 4 stored energy sources include 1, springs 2, hydraulics 3, tension 4, electricity purpose of LOTO To prevent the...

EWRB EXAMS QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED GRADED A++ 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 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 flex...

Electrical wiring EWRB Final Exam Questions and answers | 2024/25

EWRB theory prep - MCBs questions well answered to pass

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 - ANSWER A. 10 MOhm