Shortly before midnight on May 26, 2015, a New York subway train lost power on a section of tracks in Queens. It isn’t uncommon for trains to malfunction in such a way, but when service personnel arrived, they discovered hundreds of feet of copper cabling were missing.
For roughly a century, electrical contractors (ECs) have used copper or aluminum wiring. Their coexistence at times has been competitive. The nature of the application and, in some cases, price have dictated the choice between the metals.
Electricians who do both conventional electric and voice/data/video (VDV) work and those who are new to VDV projects may use the cutters and strippers designed for electrical work to terminate low-voltage copper wiring.
Installers of today’s commercial datacom, control and alarm systems must be multitalented. They often must work with twisted-pair copper, coaxial and fiber optic cables, each requiring specialized knowledge and tools.