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The sizing of grounding electrode conductors (GECs) is crucial in electrical systems, governed by the standards outlined in 250.66 of relevant electrical codes. Section 250.66(A), (B), and (C) provide guidelines on how to determine the appropriate size of GECs using Table 250.66. Proper sizing ensures the SAFE and effective grounding of electrical systems. Additionally, while unrelated to GEC sizing, multiplying 2-digit numbers is a basic math skill that can be useful in various calculations, including those related to electrical work.

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