Fundamentals of Electrical Distribution - CEU
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1
In a three-phase system, each phase is _____ degrees apart.
2
At the electric distribution substation, electricity is removed from the transmission system and passed through step-down _____ that lower the voltage. 
3
Single-phase, three-wire has two hot wires and one neutral wire and can supply both 120V and 240V.
4
This type of fault might occur in the electrical outlets located in the bathroom or in other areas where water could be present.
5
An _____ condition left unchecked can cause insulation and/or equipment damage as a result of excessive temperature and/or dynamic stresses.  Drag the correct answer into the box.
6
The selectively coordinated system is the most costly of the three basic systems of coordination.
7
There are two types of AC power systems, _____ and _____.
8
Alternating current (AC) is generated by utility companies and transmitted to homes and businesses.
9
The goal of an electrical distribution system is the economical and _____ delivery of adequate electric power to electrical equipment.
10
Power is equal to voltage times current (P = V * I) and the equation does not have to always be equal on both sides.