Electrical Installation

Specific Competencies and Skills Tested in this Assessment:

Written Assessment: 

Administration Time: 3 hours
Number of Questions: 179

Areas Covered: 

7% General Trade Information
9% Basic Principles of Electricity
30% Reading Diagrams and Calculations
9% Motors and Generators
7% Transformers
25% Wiring – Controls
13% Lighting

Sample Questions: 

The safe use of extension ladders requires that the bottom part is no more than __________ of the length of the ladder away from the wall. 

1. 1/8
2. 1/4
3. 1/2
4. 2/3 

The term “dielectric strength” would properly be used when discussing which of the groups of items below? 

1. brass, aluminum, copper, zinc
2. gold, silver, platinum, German silver
3. electrons, protons, neutrons
4. mica, rubber, glass, wax 

Calculate the voltage drop which would occur in 300 feet of two-wire, #6 aluminum feeder (600 feet total), supplying 35 amps to a pure resistive, 240 volt, single-phase load? 

1. 2.5
2. 4.5
3. 8.6
4. 16.9

The term “accessible” as applied to wiring methods in relation to Code means 

1. within direct eyesight
2. capable of being exposed by the use of hinges
3. capable of being exposed or removed without damage to the building or structure
4. capable of being reached without the use of a ladder 

Standard fluorescent tubes are designated by a code consisting of a series of numbers and letters. What would be the diameter of a tube with the coding F40T12CW? 

1. 3/4 inch
2. 1 inch
3. 1-1/4 inches
4. 1-1/2 inches