It may not always be possible to protect the pole top worker and the ground worker simultaneously.  For example: placing an earth rod at the base of the pole and the inclusion of a personal earth, provides the pole worker with protection, but leaves the ground workers in a danger zone. However, if the earth rod is moved away from the base of the pole to protect ground workers, the pole top worker without a personal esarth has lost protection.

 

POLE TOP WORKER PROTECTED

 

GROUND WORKERS IN DANGER ZONE

Grounding a network cannot prevent the ground becoming energised from multiple uncontrolled energy sources such as induced voltage, lightning strikes, earth faults and inadequate earthing methods. 

POLE TOP WORKER NOT PROTECTED

GROUND WORKERS PROTECTED

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REMEMBER…….Grounding a Network does not make the work site safe.
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