Got a call last spring from a property off 301. Every time the second rooftop unit kicked on, the lights would dip across the building. Owner was sure it was the AC acting up. It wasn’t. The feed coming into that building was sized for what the place did fifteen years ago, back when it was half offices and a small warehouse bay. Now there were two tenants running compressors, a small production line and a walk-in cooler. The math just didn’t add up anymore.
The situation described in power-grid-model 1.13.34, “That Feed Wasn’t Sized for What They Were Running” reflects a growing pattern across commercial environments where the original service was never planned for what the building eventually became.
That’s the part owners miss. A building changes hands, tenants change, equipment gets added and nobody goes back to look at the service entry. The conductors, the meter base, the utility tap, all of it was sized for an older load profile. When you push a feed past what it was built for, you don’t always get a dramatic failure. You get heat. You get voltage drop. You get equipment that wears out faster than it should and nobody connects the dots.
If your building has been remodeled, expanded or re-tenanted in the last decade, the service entry deserves a real look. Not a guess. An actual load calculation.
steelcityelectricfl.com/Electrical Panel Upgrades
