Renewable Energy

Electric Vehicles Are Ramping Up Demand for Skilled Electricians

This article discusses the rising demand for electric vehicles and the many opportunities for skilled electricians to start or expand their careers by working on electric vehicle chargers.

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Part 3 of A Special Message to Electricians: Saving an Electrical Industry in Decline

Licensed electricians will be in high demand! It will take licensed electricians to pull the electrical permits and to install all of the solar PV systems.

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Part 2 of A Special Message to Electricians: Saving an Electrical Industry in Decline

The future of the electrical trade is solar PV technology, and the future is upon us.

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A Special Message to Electricians: Saving an Electrical Industry in Decline | JADE Learning

One solution to our industry’s dilemma is Solar Photovoltaic (PV) Installations performed by licensed electricians.

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Conduit and Cables Exposed to Sunlight on Rooftops

Anyone who has been on top of a roof on a hot summer day knows what it’s like to stand in the middle of an oven. Extreme temperatures from the sun can bake everything in sight, from shingles to appliances, and even electrical conductors and conduit.
Conductor insulation is meant to provide long lasting protection from expected heat due to the flow of electricity and normal environmental factors. However, excessive heat from solar radiation can damage conductors and cause premature failures.

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Recently in Renewable Energy

2014 NEC 705.12(D)(2) PV Interconnections Part 2

If the point of interconnection will be made at a feeder, other than the opposite end of the primary overcurrent protective device (OCPD), then there are two options and both apply only to the portion of feeder on the load side of the inverter output connection.

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2014 NEC 705.12(D)(2) – Understanding PV Interconnections

Let’s start out with the first basic requirement in 705.12(D)(2): 125% of the inverter output circuit current must be used for the ampacity calculations for most of the interconnection methods used. Whether interconnecting the Inverter Output Circuit through a breaker at the service panel or directly to a feeder, it is important to first know the inverter output circuit current.

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