In Episode 34 of EC&M Tech Talk, Electrical Trainer Randy Barnett covers three main points when it comes to earth resistance, also known as ground resistance. First, the National Electrical Code in ...
Explanation: Section 250.53 of the NEC requires that any made electrode that has a resistance greater that 25 ohms be supplemented by another electrode. The NEC does not require that an electrode have ...
Electrical safety testing has been around for almost a century, and safety agencies have been testing and certifying products for almost as long. Electrical and electronic products have changed ...
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