BASIC NEC CODE RULES AND DESIGN PRACTICE

300 350 MCM or 2-1/0 Parallel 240. 350 500 MCM or 2-2/0 Parallel 280. 400 600 MCM or 2-3/0 Parallel 320. 450 700 MCM or 2-4/0 Parallel 360. 500 2-250 MCM Parallel 400. 600 3-3/0 Parallel 480… ................
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