User's Guide

Grounding and lightning protection Chapter 2: Planning considerations
2-22
UNDER DEVELOPMENT
phn-2182_003v004 (Oct 2011)
Protection inside a high rise building
The following protection requirements must be observed inside multi-story or high rise
buildings (Figure 2-6):
• The drop cable shield must be bonded to the building grounding system at the entry
point to the building.
• The drop cable shield must be bonded to the building grounding system at the entry
point to the equipment area.
• An LPU must be installed within 600 mm (24 in) of the entry point to the equipment
area.
Figure 2-6 Grounding and lightning protection inside high building