Tech Talk

A how-to video series of technical tutorials on electrical theory, basics, and proper installation/testing techniques.

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EC&M Tech Talk — Bonding for Safety
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Highlights

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EC&M Tech Talk Video — Requirements for Electrical Connections

Oct. 1, 2023
Learn more about NEC Sec. 110.14 requirements in Episode 31.
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EC&M Tech Talk Video — NEC Definition of “Professional and Skillful Manner“

Sept. 1, 2023
In Episode 30, Randy Barnett covers a definition change found in Sec. 110.12 of the 2023 edition of the NEC.
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EC&M Tech Talk Video — Transformer Requirements in the NEC and Beyond

Aug. 1, 2023
In Episode 29, Randy Barnett covers various code requirements for transformers.
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EC&M Tech Talk Video — Insulation Resistance Testing

June 1, 2023
In Episode 27, Randy Barnett reviews the purpose and methods used for measuring the quality of electrical insulation on conductors and equipment.
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EC&M Tech Talk Video — Medium-Voltage Conductors and Cable

May 1, 2023
In Episode 26, Randy Barnett covers NEC Art. 315 requirements.
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EC&M Tech Talk Video — Clearing Up Confusion Around Ground Wires

Dec. 1, 2022
In Episode 21, Randy clears up some of the confusion regarding grounded conductors, grounding electrode conductors, neutrals, and equipment grounding conductors.
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EC&M Tech Talk Video — Changes to the 2023 National Electrical Code

Nov. 1, 2022
In Episode 20, Randy Barnett highlights what changes are coming this new edition of the Code.
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EC&M Tech Talk Video — Electrical Theory & Practical Tips for Applying the NEC

Oct. 11, 2022
In this video (Episode 19), Randy Barnett takes a typically dry topic — electrical theory — and reviews the basics that benefit workers in the field.
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EC&M Tech Talk Video — EV Opportunities, Installation, and Maintenance

Sept. 2, 2022
In this video (Episode 18), Randy Barnett discusses EV transfer systems.