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https://www.impomag.com/video/video/22955280/baltimore-bridge-collapse-blamed-on-single-loose-wire

After earlier reports pointing toward electrical issues, the National Transportation Safety Board (NTSB) this week confirmed that the faulty wiring was to blame for the Dali losing power and drifting into the bridge. Investigators found that wire-label banding, which wraps around the wire’s protective coating, was incorrectly placed. This prevented the wire from being fully inserted into a terminal block spring-clamp gate, thereby resulting in an inadequate connection .