NEC 408

question 14

Multiple Choice

NEC 408.36(A) stipulates that if the panelboard contains snap switches with a rating of ____ amperes or less, the panelboard overcurrent protection is not permitted to exceed 200 amperes.

• A)15
• B)30
• C)50
• D)100

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Definitions:

Oceanic Crust

The outermost layer of Earth's lithosphere that lies beneath the oceans, composed mainly of basalt rock formed from volcanic processes at mid-ocean ridges.

Mantle

The most voluminous layer of Earth; located below the crust and above the core.

Thickest Crust

Refers to the part of the Earth's crust that has the greatest thickness, typically found in continents, especially under mountain ranges.

Topographic Profile

A cross-sectional view across a part of Earth’s surface, showing variations in elevation or depth.