Let’s look at the basics of a grounded 480/277 V to 208/120 V wye-type transformer supplying a panelboard in a typical retail or office space.
Test your knowledge of wind power requirements in the 2017 National Electrical Code by taking the Code Hunter quiz with your copy of the NEC.
For many people looking for a job in a stable, growing industry, the electrical industry is ripe with opportunities for electrical workers.
Wind energy? Is this natural resource going to be the future for electric generation? Electric wind generation technology has come a long way.
Keeping hands healthy at work is straightforward, simple and can have a big payoff. With a little vigilance and awareness, you can help prevent these unnecessary injuries.
Continuing education is critical. It will be mandatory to use all available communication devices and advanced tools at our disposal to effectively plan, review, and inspect the current and next generation of PV systems.
The CE Code means that the emergency generator must be installed in every high building as the required emergency power supply source for smoke control and smoke venting fans and dampers
A stray current is a flow of electric current through unintended conductors such as building structures, electrical grounding or bonding conductors, or other equipment due to electrical supply system imbalances or improper equipment hookup.
The benefit of group motor installations is that only one branch-circuit overcurrent protective device (fuse or listed inverse-time circuit breaker) is required to provide short-circuit protection for all motor controllers or overload protection devices in the group.