electricalscho

Optical Ground Wire a ground wire that includes optical fibers to provide a communications link.

Occupational Safety and Health Standards. Section 1910 Subpart S-Electrical Standard number 1910.333 specifically addresses Standards for Work Practices.

The Open System Interconnection 7-layer model is a model developed by ISO for modeling of a communications network.

The state of a component or part of a power system that is not available for service because of some event associated with the component of power system. These are the longer term events (several seconds to hours) caused by external factors such as trees

An unwanted alternating voltage which exists between each of the output terminals and a reference point.