EEU Chapter 2 quiz sample

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Used in building services rated above about 400 A - Measure amperage through each ungrounded (hot) conductor

has three independent transformer windings connected at a common point, called a neutral or star point.

only a single voltage level is available: the phase-tophase voltages.

• DELTA CONNECTED TRANSFORMER
• WYE-CONNECTED TRANSFORMER (Y)
• WYE-DELTA CONNECTED

PLUG FUSES • It comes in a _____________________with a sight glass that shows if the fuse is blown or not (Hanvey, 2015).

TWO POLE (2P) • when protecting two ungrounded conductors such as on a 240 V circuit.

• True
• False

The older type fuses have a brass screw thread on the side and a central contact point.

?

protecting a single Ungrounded conductor.

TYPES OF FUSES

• PLUG FUSES
• OVERCURRENT RATING
• TIME DELAY FUSE
• CARTRIDGE FUSE
• UTILIZATION OF EQUIPMENT