It happened around 1 p.m. Thursday on the 100 block of Highland Avenue.
Police say two workers were attempting to move a ladder when it came into contact with an electrical line.
Both were found lying on the ground when police arrived.
One of the workers, 54-year-old Jereome Dean of Pennsgrove, was taken to Salem County Memorial Hospital where he was pronounced dead a short time later.
The second worker was taken to the hospital with non-life-threatening injuries.
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