He pointed up. The cable tray was a spaghetti bowl of a dozen other power cables, all running together for fifty meters in the hot, dusty ceiling. Above that, a steam pipe from the boiler room leaked a faint haze of heat.
Lena looked at the old 25mm² cable, then at her clipboard. “But the spec sheet says this cable is rated for 100 amps. The press only draws 85 at full load. We were within the number.” cable size current carrying capacity
He knelt and sketched in the dust on the floor. He pointed up
Lena looked at her 85-amp load. “So my 100-amp rated cable… in this real world… what can it actually carry?” dusty ceiling. Above that