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Question: 1 / 400

What is the minimum permitted size for grounding conductors in terms of AWG?

4 AWG or larger

8 AWG or larger

6 AWG or larger

The minimum permitted size for grounding conductors is indeed 6 AWG or larger, as specified in the National Electrical Code (NEC). This requirement is in place to ensure safety and proper functioning of the grounding system. A grounding conductor must be of adequate size to carry any potential fault currents to ground without sustaining damage that could lead to a failure in providing a safe path for those currents. By establishing this minimum size, the NEC helps to reduce the risk of fire hazards and equipment damage.

It’s important to note that while different applications may have varying requirements based on factors like the type of installation, the minimum size standard of 6 AWG sets a baseline that electrical professionals must adhere to for residential and commercial work. This knowledge is crucial for ensuring compliance with safety standards and the effective operation of electrical systems.

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2 AWG or larger

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