The surge suppressor is not water tight, and so needs to be mounted inside a water-tight cabinet or building. The ground cable from the suppressor must be routed in such a manner as to keep the path to earth ground as short and straight as possible. The ground cable run must minimize sharp bends and must avoid metal conduit, which both cause high impedance to the very high frequency energy surge. Bends in the ground cable must be as gentle as possible, and if conduit is required be run through PVC conduit.

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