User's Manual

Grounding and lightning protection Chapter 2 Planning considerations
phn-2182_002v000
2-18
May 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