When interconnecting cables for separate information technology equipment units, using listed cables and cable assemblies, what is the maximum length permitted for the interconnecting cables?
- The length limitation from 645.5(B)(1) shall not apply to interconnecting cables
- 6 ft
- 10 ft
- 15 ft
Answer: A
As specifically noted in 645.5(C) of the 2011 NEC, the 15-ft limitation noted in 645.5(B)(1) shall not apply to interconnecting cables. The length limitation for power supply cords is 15 ft.
Owen is the owner and president of National Code Seminars and the holder of master electrician certifications in 46 states. He can be reached at [email protected].
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