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What is the minimum gauge for service lateral conductors supplying power to limited loads?

6 AWG copper

8 AWG copper

The minimum gauge for service lateral conductors supplying power to limited loads is 8 AWG copper. This specification is important because service conductors must be able to handle the expected current without overheating and ensure the safety and reliability of the electrical system.

Using 8 AWG copper wire balances conductivity with physical practicality. Copper has excellent conductivity properties, and 8 AWG is designed to carry sufficient amperage for limited load applications while still being manageable for installation and routing.

If the conductors were smaller, such as 10 AWG or 12 AWG, they would not be adequate for typical service lateral applications, leading to potential overheating and performance issues. Thus, the National Electrical Code and local regulations dictate the use of 8 AWG copper to meet safety standards for these types of connections.

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10 AWG copper

12 AWG copper

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