Aug 26, 2015
Here is a list of the most common electrical mistakes made when installing a hot tub outdoors
Jul 20, 2015
Here are some common items that can cause the electrical inspection to fail at swimming pools.
Jul 06, 2015
There are many PV system marking and labeling requirements in the NEC. Some markings will be factory applied as required by the product listing and others must be field applied by the installer
Jun 16, 2015
In the electrical world there are many career paths to choose from. You can work as an outside lineman, wire cell towers, work as an industrial control specialist, or install and repair traffic/train signals and outdoor lighting. You can work as a maintenance electrician and be...
May 29, 2015
A PV system is useless until it gets connected into the premises wiring system. NEC section 690.64 states that the point of connection for a PV system shall be in accordance with section 705.12. Article 705 provides the rules on how an electric power production source, such as a PV...
Apr 29, 2015
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 GroundingIn most PV installations, the PV modules are fastened to a metal rack-type...
Mar 31, 2015
An inverter takes the DC current produced by the PV modules and converts it to AC current for connection to the utility grid.
Mar 10, 2015
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.
