According to NEC Section 310

question 45

Multiple Choice

According to NEC Section 310.15(B) (7) in the NEC, the minimum conductor size for a 300 ampere residential service entrance is _________ CU or _________ AL.

• A) 2 AWG; 1/0 AWG
• B) 2/0 AWG; 4/0 AWG
• C) 250 kcmil ; 350 kcmil
• D) 400 kcmil ; 600 kcmil

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Definitions:

Natural Resources

Elements found in the natural environment such as minerals, forests, water, and fertile soil, which can be harnessed for economic profits.

Long-Run Aggregate Supply Curve

A graphical representation showing the relationship between the overall price level and the total output a economy can produce when all resources are fully employed, assuming no changes in technology or resource availability.

Technological Breakthrough

Sudden, significant progress or innovation in technology that dramatically changes industries or societies.

Energy Prices

Energy prices refer to the cost of primary sources of energy such as oil, natural gas, coal, and renewable sources, which can fluctuate based on supply, demand, geopolitical factors, and other variables.