Trades · Program guide

Electrical & NEC

Electrical work covers how power is generated, distributed and wired into buildings, and the National Electrical Code (NEC) that governs how it is installed safely.

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The field

What this field covers

  • Electrical theory: voltage, current, resistance and Ohm's law
  • Reading drawings, symbols and schedules
  • Wiring methods, conductors, overcurrent protection and grounding
  • Navigating the NEC
  • Shock and arc-flash safety and verifying zero energy
  • The apprenticeship and licensing path in your state
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Technical Skills College provides skills training and exam preparation. It does not issue licenses, certifications or credentials; completed courses earn a certificate of completion. Licenses and industry certifications are issued by state agencies and independent certifying bodies, and requirements vary by state and trade.
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