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IEEE 1119
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IEEE 1119 88th Edition, September 26, 1988 Guide for Fence Safety Clearances in Electric-Supply Stations
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Description / Abstract:
This guide presents a method for providing fence safety
clearances for electricsupply stations. The guide applies to
electricsupply stations with voltage between phases up to and
including 765 000 V. It is recognized that this guide illustrates
only one physical situation, and the user may be confronted with
other physical parameters, in which case the intent of the guide
should be appropriately applied.
Purpose.
The purpose of this guide is to provide design guidance for the location of fences with respect to live parts within an electric-supply station. The intent of the fence safety clearance is to provide a reasonable safety clearance zone so that someone inserting an object through the electric-supply station fence should not contact live parts or come close enough to the live parts to violate the required live part to ground clearance and cause a flashover to occur. The safety clearance zone is necessary to minimize a possible hazard to anyone on the outside of an electric-supply station fence.
Purpose.
The purpose of this guide is to provide design guidance for the location of fences with respect to live parts within an electric-supply station. The intent of the fence safety clearance is to provide a reasonable safety clearance zone so that someone inserting an object through the electric-supply station fence should not contact live parts or come close enough to the live parts to violate the required live part to ground clearance and cause a flashover to occur. The safety clearance zone is necessary to minimize a possible hazard to anyone on the outside of an electric-supply station fence.