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Lightning Protection down conductor installation

Question asked by sps on Aug 12, 2019
Latest reply on Aug 16, 2019 by chiefns830

What is the best practice for lightning protection down conductor embedded inside the concrete column between:

1. PVC insulated copper conductor in galvanized (IMC) conduit

2. PVC insulated copper conductor in PVC conduit

3. Bare copper conductor in PVC conduit

We normally do option 1 as the IMC conduit will help to shield the electromagnetic field during the lightning current flow down.

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