If a Switching Device Has the Marking CU ONLY on It

question 5

Multiple Choice

If a switching device has the marking CU ONLY on it, an electrician can use only __________ wire with the device.

• A) copper
• B) copper-clad aluminum
• C) aluminum
• D) Any of the above

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Definitions:

Terrestrial Planets

Our solar system’s four inner planets, which have solid rocky surfaces and include Mercury, Venus, Earth, and Mars; syn. inner planets.

Planetary Rings

The rings of ice, rock, and dust that orbit some planets outside their atmospheres, the most famous of which are the rings of Saturn.

Outer Planets

The planets in the Solar System located beyond the asteroid belt, typically referring to Jupiter, Saturn, Uranus, and Neptune.

Hydrologic Cycle

The cycle representing the movement of water between the oceans, atmosphere, land, rivers and other surface water, groundwater, and organisms.