A. If the GEC is connected to one or more concrete-encased electrodes, as permitted in Sec. 250.52(A)(3), the portion of the GEC that’s the sole connection to the concrete-encased electrode(s) isn’t ...
All Code references are based on the 2005 NEC. The grounding and bonding requirements in this column apply to solidly grounded systems that operate at not more than 600V, such as 120/240V, 120/208V, ...
The author is national program manager for Copper Development Association Inc. Proper grounding and bonding in radio and television stations are vital to improving uptime, equipment life and ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results