In a harrowing moment caught on video, an electrical engineer jumps onto subway tracks in New York City over the weekend to rescue a man who fell as a train approached.

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Jonathan Kulig, 29, of Queens, was heading to work Saturday night when he saw a complete stranger sprawled out on the tracks at 14th Street and Third Avenue as an L train was pulling into the station.

"I had to walk over two rails, the third rail [on one side], the third rail [on the other side] and two other tracks [before getting to him]," Kulig told Inside Edition.

Since Kulig is an electrical engineer for Con Edison he knew exactly what to do to avoid the dangerous third rail that helps power the trains.

"I had track safety training with Metro-North Railroad about a month-and-a-half ago for a special project," Kulig said.

Cell phone video shot by a witnesses captured Kulig as he lifted the stricken man to the platform.

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Exactly 67 seconds after jumping in, hoisting up the man and lifting him out, the train arrived.

Medics came and took the victim to Lenox Hill HealthPlex, where it was determined that he suffered a stroke, which caused the fall.

After all the drama, Kulig wasn’t even late for work. And he said that if he saw another person on the tracks again, he would do the same thing.

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