In the first part of this series, featured in the February 2011 issue, we considered the selection of the protective devices of a low-voltage induction motor supplied from a motor control center (MCC) ...

The rate of transient occurrences varies with every power system. Recent studies show that surges of 1kV or less are common — whereas 3kV surges are rare. Protecting against more frequent (internally ...

De-energizing equipment does not absolve the facility from the responsibility of performing an arc flash analysis or providing the necessary PPE. While the threat of shock and electrocution from ...

As the electric distribution system transforms into a smarter network, Commonwealth Edison Co.’s distribution automation team has embarked on a step-change journey that will transform distribution ...

S&C has upgraded Coordinaide — The S&C Protection and Coordination Assistant. This application tool has been upgraded to improve the look and feel of the user interface and to include several new TCC ...

Manufacturers of circuit protection devices continue to enhance the performance of their safety components to protect electronic devices and equipment, ranging from smartphones and wearables to data ...

Last month, we discussed the protective devices coordination procedure for a low-voltage motor and demonstrated how the ratings and settings of branch circuit and short circuit protective devices are ...