6. Lightning Protection Zones (LPZ) · Page 5 of 6
Shielding, Cables and LPZ
Cable routing supports the zone concept.

Routing
Keep dirty outdoor cables away from clean indoor bundles until they pass through a protected boundary panel.
Shields
Terminate shields with 360° glands where required. Pigtail shield drains can re-introduce noise and surge voltage.
Trays as part of bonding
Metal trays can support equipotential performance when bonded correctly along the run.
