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District of Columbia Electrical Master Online Practice Test

Practice tests are comprised of independent chapters, each testing you on the specific subjects within the trade.

Table of Contents

# Title Questions
1 Capacity Factor/Unit Load Calculations 1/Demand Factor/Dielectric 31
2 Distribution Feeder Regulation/Delta/Delta wye Transformers/Voltage Drop/Voltage Divider/Voltage Regulation/Current Divider 51
3 Theory 57
4 Conductor Sizing/Protection Calculations/AC Power Plugs/Sockets 43
5 MIL-STD-1553/ACCC Conductor/Motors/Transformers/Circuit Breaker/Brushed DC Electric Motor/Short Circuit 37
6 Junction Boxes/Raceways/Conduit Bodies/Reclosers/Multiway Switching/Camlock 50
7 AC/DC/Capacitance/Inductor/SWER 1 65
8 Ground/Earthing System/Three-Phase 56
9 HV Circuit Breaker Testing/Unit Load Calculations 2/Service Load Calculations/Optional Methods/SWER 2/Motor Constant 38
10 Inductance/Impedance/Connectors 52
11 OSHA Safety/Dig Alert/Training/Asbestos/Code of Federal Regulations/Title 29, Part 1926 23
12 Employees/Contractors/Insurance/Safety 12
13 Basic Bid Preparation/Estimating/Blueprint Reading 36
Total = 551


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