It’s a new year and JADE Learning’s new North Carolina electrical contractor classes are starting! If you have ever been to a JADE Learning class, then you know that you are in for a great experience. Our instructors Don Hursey and Jeff Simpson are experts on the National Electrical Code […]
In the past few blog posts we have discussed some of the more important issues related to the PV system including PV modules, PV source circuits, PV output circuits, and inverters. Now let’s talk about PV grounding. Equipment Grounding In most PV installations, the PV modules are fastened to […]
When wiring PV modules in series (to create a series string of modules), voltage is additive while current remains the same. Series = Adds Voltage. When wiring several strings in parallel, the result is the opposite; voltage remains the same while current is additive.
One theme in the new edition of the Code is new technologies and requirements for their safe installation and modification. Today we are going to start with four new articles that were added in the 2014 edition of the National Electrical Code to accommodate these emerging technologies.
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