To be competitive, some electrical contractors often supply low-voltage (LV) service entrance switchboards and switchgear that meet the minimum safety requirements of the National Electrical Code (NEC ...
According to the IEEE Buff Book, "A power cable must be protected from overheating due to excessive short-circuit current flowing in its conductor," which may damage or destroy the insulation. It also ...
Imagine you are sitting snug in your house on a stormy evening when, all of a sudden, the lights start flickering, and ...
The LCI2000 portable low current injector operates at 58 Hz as a current source. Gounding systems installed by transmission and distribution utilities can be difficult to test as they are often ...
A pretty typical diagram for the grounding system for a house is shown here, along with a few of the current carrying conductors commonly called live and neutral. On the far left is the transformer ...