Machinery Safety 101

What exactly is PELV?

Photo of the interior of an electrical control cabinet showing the components and wireways on the backplane.

What exactly is PELV? Electrical designers run into all kinds of specialized terminology as part of their work. IEC is notorious for creating specialized terms that are not familiar to North American designers. PELV is a definition of a limited range of system voltage and current and is related to some other terms you may…

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