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Common Electrical Conductor Types - InterNACHI
Armored cable (AC), also known as BX, was developed in the early 1900s by Edwin Greenfield. It was first called “BX” to abbreviate “product B – Experimental,” although AC is far more commonly used today.
BPCA of New York State continuing education offer. - InterNACHI
From the Southwest: Take Route 27 (Sunrise Hwy) West to Exit 50A. North on Johnson Ave to Route 454 (Veteran’s Memorial Hwy) to the Islip Airport Albany Airport exit - the Holiday Inn will be on your left on the other side of 454.