Here are some lightning protection pictures of downleads in a commercial lightning protection system. This will give some insight on the proper bends and radius’s required for a proper lightning protection system.
1. LPS Downlead Aluminum to Copper in PVC
2. LPS Downlead Aluminum to Copper in PVC
3. LPS Downlead Aluminum to Copper in PVC
4. LPS Downlead Example Maintaining 8″ Radius
5. LPS Downlead Fastened to Concrete Wall
6. LPS Adhesive Fastener Downlead to Tank
7. LPS Downlead Upper to Lower Roof
8. LPS Downlead Alongside Gutter
9. LPS Downlead Maintaining 8″ Radius
10. LPS Downlead Bonding Vent
11. LPS Downlead Thru-Wall Connection
12. LPS Downlead on Generator to Copper in PVC
13.) Conductor Upper to Lower Roof Transition
14.) LPS Bond to Thru-Roof
15.) LPS Downlead Conduit Bonding
16.) LPS Grounding Thru-Roof Downlead Parapet
17.) LPS Thru-Roof Connection
18.) Downlead From Roof
19.) Downlead Bi-Metallic Connection
20.) Downlead Thru Walkway Top
21.) Downlead Transition
22.) Downlead Thru Walkway
23.) Downlead in Full