Three I Engineering can come into your plant and determine the adequacy of your existing electrical distribution equipment and the required short circuit rating requirements of new electrical distribution equipment by making an electrical fault current study. Due to the increasing available fault current provided by the electrical utility company, the interrupting capacity of older equipment sometimes becomes inadequate. Also, specifications of new electrical distribution may need to be modified due to increased available fault current.

The available fault current at each distribution equipment location can be determined by making a fault current study. Presently we use our computer with a specially designed fault current program to aid in the numerous calculations required to make a study.

Building 41 Fault Current Study
Bristol-Myers Squibb
Evansville, Indiana
This study determined the available short circuit current at all critical points.

4160V Fault Current Study
Deaconess Hospital
Evansville, Indiana
This study determined the available short circuit current and the interrupting capacity of all equipment connected to the 4150V portion of their electrical system. This study also determined the degree of overcurrent device coordination in the system.