NEC standards 2025-09-15T18:51:10Z
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The Louisiana humidity hit like a wet fist when I climbed into that switchgear room last July. Dust motes danced in shafts of light slicing through grimy vents, and the air tasted like hot copper and ozone. Our team was retrofitting an aging hospital's critical power transfer system—mess this up, and life-support units could blink out during the next hurricane. My clipboard felt slick in my sweaty grip as I stared at the spaghetti tangle of conduits. "Conduit fill calculations," I muttered, wipi