Electrical Designer Guide

Design procedure, products and reference for electrical designers

Arc Flash - Arc fault circuit interrrupter protection

Arc Flash Arc fault circuit interrupter protection what is an arc flash study? How to install lexan for arc flash Definition: Arc Fault circuit interrupter (AFCI). A device intended to provide protection from the effects of arc faults by recognizing characteristics unique to arcing and by functioning to de-energize the circuit when an arc fault is detected.

Dwelling Units. All 120 V, single phase, 15- and 20 ampere branch circuits supplying outlets installed in dwelling unit family rooms, dining rooms, living rooms, parlors, libraries, dens, bedrooms, recreation rooms, closets, hallways, or similar rooms, or areas shall be protected by a listed arc-fault circuit interrupter, combination-type, installed to provide protection of the branch circuit.

NEC 2008 Estimating Software Voltage Drop Calculation Software Easy Power Design Software Smart Design For Size Feeders,Breakers, arc flash Back to Home Page