or hip roofs must have at least one additional down connector for each
additional 50 feet or fraction there of. (See Figure 1-3.)
Figure 1-3. Typical Lighting Protection For Gable Roofs.
8.
If the lightning protection system has not been tested within 14
months, an electrical test must be made.
This test measures the ohms
resistance or the system to the ground and
6
MM4673
Previous Page
