It is no surprise that Ground Fault Circuit Interrupter protection has again been expanded in the 2017 edition of the National Electrical Code. Since its inception in the 1971 edition, GFCI coverage has been expanded and tweaked with just about every code change. In this edition, coverage has been increased in several significant ways, but an important clarification has also taken place. Specifically as regards protection for 15 and 20 amp outlets near sinks, the point at which the measurement is taken as well as the method to be used to measure the 6-foot distance has been clarified.
Inrush current, also referred to as “locked rotor current,” is the excessive current flow experienced within a motor and its conductors during the first few moments following the energizing (switching on) of the motor. This current draw is sometimes referred to as “locked rotor current” because the current necessary at startup to […]
The Oregon electrical license renewal deadlines for Limited Journeyman Manufacturing Plant Electrician (PJ), Limited Energy Technician Class A (LEA), Limited Energy Class B (LEB), Limited Maintenance Electrician (LME), Limited Renewable Energy Technician (LRT), and Limited Journeyman Sign Electrician (SIG) are approaching on October 1, 2017. The Oregon Building Codes Division […]