Category: Materials

TRANSFORMERS – What They Are, How They Work, How To Size Them

Let’s open up a transformer and dig through it to see how they work. Transformers are extremely useful devices used in electrical systems to raise and lower voltage. They’re also used for isolation, typically in cleaning up power. They only exist in the world of Alternating Current however, so in DC circuits you won’t find transformers used.

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Working With EMT – ELECTRICAL METALLIC TUBING

This video covers everything you need to know about working with EMT (electrical metallic tubing) as an electrician. I cover the topics discussed in the national electric code article 358 on uses permitted, securing and supporting, and much more. This video is more of a code-overview of EMT, so let’s begin at the beginning of article 358 of the NEC with the uses permitted and not-permitted.

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