Question

What are the four protection boundaries?(hydro codes and standard)

Answer 1

by The radiant enes energy released an electric arc is capable of permanently injuring on killing a human being at distances of dip to Send os even twenty feeit. Prostort utstant het wit 'Nume nousi workers adie binjuged, and/on killed each years while. 'working on.. energiaed electrical equipment pas ud by his ou spojines His Fun In most cases, ane flask - incident energy depends threesos elements and be * Intensity & How much power the Are has on * Distance How far away a from the are worked will be.Ar * Duration SH How long the anc' will last. > Note: Incident enes energy is measured in calories /cm² so an arc Flash study determined lite incident ene agy found at each location which determing the various Arc Flash boundaries and what protective equipment must be used approaching each boundary. in

rasplash occurred, this boundary Le Flash boundary profection des The flash protection boundary is the 'faa thest established boundary from ithe energy is where an employee would be exposed to a curable isecond degree burn (1.2, calories/ cm? when an energised conductor, is exposed, you may not approach closer than the flash boundary. 2. Limited approach boundary? The limited approach aboundary is the distance from an exposed live component where unqualified personnel may sakely stand. No untrained personnel may approach energized Parts any closed in this "boundary unless under the supe&vision of a qualified, pure workea si ti wowot to 14.00 minimum این بار در در 1 بررسي ار ان را بارها در ما را در رادار | ارد

ANTAR SAN Restricted approach_Boundary : The restaicted approach Boundary is the distance from an exposed part which is considered the Same as making contact with the live past. only qualified personnel ewearing appropriate personal protective equipment, having specified training to work on conductors or components and a documented Plan justifying the need to perform this work may cross the boundary and and enter the Restricted space : ene a gized Insulated glovesy fools, and equipment are required within this boundary.