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We’re committed to improving the electrical industry in every way we can. We strive to provide as much as we can to the industry at no charge. From industry publications to Mike Holt guides on key topics like Swimming Pools and Marinas, we provide an abundance of content to help you.
Episodes
Wednesday Feb 09, 2022
Tuesday Aug 10, 2021
Working Space about Electrical Equipment [110.26, 2020 NEC]
Tuesday Aug 10, 2021
Tuesday Aug 10, 2021
110.26 Working Space about Electrical Equipment – https://www.MikeHolt.com/code. Clearances and working space around electrical equipment are necessary to provide a safe working environment for electrical professionals. The rules that are in place to ensure this space is available are often misunderstood. Be sure you understand these requirements as we discuss Part II of Article 110 in the NEC; more specifically, section 110.26.
Tuesday Aug 10, 2021
Voltage-Drop - Manufacturer and NEC Recommendations [210.19(A) Note 3, 2020 NEC]
Tuesday Aug 10, 2021
Tuesday Aug 10, 2021
According to 110.3(B) in the NEC, equipment, including conductors, must be installed in accordance with the manufacturer’s instructions. But what about when the length of these conductors creates a voltage drop? Is voltage drop just a recommendation in the NEC and not really enforceable? Find out in this podcast where we discuss the ramifications of voltage drop in branch circuit and the energy and life safety issues that may be affected.
Tuesday Aug 10, 2021
Tamper-Resistant Receptacles [406.12, 2020 NEC]
Tuesday Aug 10, 2021
Tuesday Aug 10, 2021
406.12 Tamper-Resistant Receptacles - https://www.MikeHolt.com/code. The locations where tamper-resistant receptacles are required have been greatly expanded in 406.12 to include all education facilities, areas where people are awaiting transportation, dormitory units, and assisted living facilities.
Tuesday Aug 10, 2021
Splices in Panel Enclosures [312.8, 2020 NEC]
Tuesday Aug 10, 2021
Tuesday Aug 10, 2021
312.8 Splices in Panel Enclosures – https://www.MikeHolt.com/code. When it comes to electrical enclosures, “As long as we can get the cover on, we’re good.” is the mindset of many. The NEC has requirements for fill or how much space inside an enclosure is available for wiring and electrical devices as you’ll see when you listen to this podcast on section 312.8.
Tuesday Aug 10, 2021
Solar Photovoltaic (PV) Systems, Rapid Shutdown [690.12]
Tuesday Aug 10, 2021
Tuesday Aug 10, 2021
The 2020 Code cycle brought many changes to Article 690, Solar Photovoltaic (PV) Systems. Some of the more notable changes were in section 690.12 for "Rapid Shutdown" and are discussed in this podcast.
Tuesday Aug 10, 2021
Solar Photovoltaic (PV) Systems, Grounding Electrode System [690.47]
Tuesday Aug 10, 2021
Tuesday Aug 10, 2021
Do you know how a Grounding Electrode System works? What about grounding for PV Systems? Is a grounding system even required? The answers to these questions and more can be found in this podcast.
Tuesday Aug 10, 2021
Solar Photovoltaic (PV) Systems, Equipment Grounding and Bonding [690.43]
Tuesday Aug 10, 2021
Tuesday Aug 10, 2021
Bonding and Grounding of PV Equipment is a requirement in Section 690.43 of the NEC and references sections in Article 250. Find out how to ground the equipment and why it needs to be done!
Tuesday Aug 10, 2021
Sizing Raceways Using Annex C [2020 NEC] (11min13sec)
Tuesday Aug 10, 2021
Tuesday Aug 10, 2021
If you've pulled wire into a raceway, you understand the reason to have limits on the wire fill for raceways. In this podcast, we’ll discuss the most common condition, where multiple conductors of the same size are installed together in a raceway and the maximum number of conductors permitted can be determined from the tables in Annex C.
Tuesday Aug 10, 2021
Service Equipment Surge Protection [230.67, 2020 NEC]
Tuesday Aug 10, 2021
Tuesday Aug 10, 2021
230.67 Service Equipment Surge Protection - https://www.mikeholt.com/code. This new section requiring the installation of a surge-protective device (SPD) for all dwelling unit services has been a long time coming. Up until now, dwelling unit surge protection has been optional and usually an “extra” for the electrician. Section, 230.67, now requires surge protection for all dwelling unit services to protect sensitive life safety devices like smoke and CO detectors from surge damage.