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2020 National Electrical Code

New Articles in the 2020 NEC

There will be four new article additions to the 2020 NEC: 1. Article 242 Overvoltage Protection 2. Article 311 Medium Voltage Conductors and Cable […]

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NEC 314.27 (E) Luminaire and Fan Separable Attachment Fittin...

 The demand for quick, easily changeable lighting fixtures has led to the development of products consisting of an electrical receptacle with a locki[…]

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How Do I Renew My NC Waste Water Operator License

NC Water Operator licenses expire on December 31st. Here are the steps you need to complete in order to renew your license. […]

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Uncategorized

How Do I Renew My Arizona Water Operator License

When Does My Arizona Water Operator License Expire? Your Arizona Water Operator License will expire every 3 years. The specific expiration date depend[…]

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HVAC/ACR International Mechanical Code

Duct Material Comparison for Residential Installations

When homeowners receive quotes from HVAC contractors, they typically are given two duct replacement options, sheet metal or fiberglass duct board. The[…]

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2017 National Electrical Code

Grounding Electrodes – to be or not to be? 2017 NEC 250.52...

Prior to 2017, only two items were prohibited for use as grounding electrodes, underground gas piping and aluminum. For 2017, another item has been ad[…]

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