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2017 National Electrical Code
Let's take a look at what is happening on the other end of that equipment grounding conductor, and what it is that enables this co[…]
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Air-Conditioning and Refrigeration Systems
Phenolic insulation is an alternative to galvanized sheet metal. Many HVAC professionals have turned to this option when installin[…]
Electrical & Trade Licensing
The Oregon electrical license renewal deadlines for Limited Journeyman Manufacturing Plant Electrician (PJ), Limited Energy Techni[…]
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