Block 2 electrical exam Questions with Complete Solutions (Latest 2025) Where would a electrician find information concerning the use of personal protectove equipment? - Correct Answers ✅Occupatinal health and safety Act When is an electrical permit obtained? - Correct Answers ✅Prior to beginning any electrical work Unless walls are solid rock what is the maximum height a trench may be before it must be properly sloped, shored or protected by a trench box? - Correct Answers ✅1.5 meters according to occupational health and safety How is a confined space determined? - Correct Answers ✅By its restricted means of access and egress What are symbols used for on a set of electrical plans? - Correct Answers ✅To represent objects What is the purpose of a legend on a set of electrical plans? - Correct Answers ✅To explain the symbols used of then plans What voltage range is a volt meter set for checking for the presence of voltage? - Correct Answers ✅The highest voltage setting 1 / 3
Block 2 electrical exam Questions with Complete Solutions (Latest 2025) What does NTS stand for on a set of electrical plans? - Correct Answers ✅"Not to scale" What is the minimum size conductor to be used for wiring luminaries? - Correct Answers ✅# 18 awg Why are adjacent HID fixtures connected to different phases?
- Correct Answers ✅To minimize stroboscopic effect
Which type of light would work best in a situation where a store owner wants to highlight the color red in the meat display cooler? - Correct Answers ✅Fluorescent Cool White DELUXE/ Cool white if cool white deluxe ant there What are the bands of colors ranging from violet through blue, green, yellow, and orange to red referred to as? - Correct Answers ✅The color spectrum Wiring for ceiling outlet boxes, in which luminaries are to be mounted, is being installed. What is the correct temperature rating of the insulation of branch circuit conductors? - Correct Answers ✅90 degrees A light that is to be controlled from five locations is being installed. How many 3-way and 4-way switches will be needed? - Correct Answers ✅Two 3-ways and three 4-way switches 2 / 3
Block 2 electrical exam Questions with Complete Solutions (Latest 2025) What is the maximum over current protection rating of pole- top circuits? - Correct Answers ✅100A What is the largest size over current device that can be used to protect fluorescent luminaries in a single dwelling? - Correct Answers ✅15A What is the maximum number of trip coils required for a three phase motor? - Correct Answers ✅3, 1 per phase What type of three phase motor has the ability to correct its own power factor any the power factor of other devices connected to the same line? - Correct Answers ✅Synchronous motor How does the starting current of a split phase motor compare to its full load current? - Correct Answers ✅It is much higher than the full load current What is the maximum time delay fuse that can be used with a three phase motor of the full load current? - Correct Answers ✅175% table 29 of the CEC
- / 3