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They may also be responsible for other specialized tasks involving electrical wiring such as alarm systems and elevators. They repair and service these same systems as well. Sorry, we could not find any matching schools.

THHN wire is one of the most popular types of electrical wires used in residential, commercial and industrial constructions. It has many benefits when compared to other types of wire. Benefits of becoming an Electrician. See all posts in Articles. NEC Chapter 1 - Article 110 Requirements for Electrical Installations. NEC Chapter 1 - Article 100 Definitions.