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The following pages detail the products required to install a 'Cable and Wire' lightning protection system.
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| Air terminals and fixings
Air Rod
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Rod length |
Rod diameter |
Thread diameter |
Material |
Weight per rod |
Part no |
500mm |
15mm |
16mm |
Copper |
0.73kg |
RA215 |
1000mm |
15mm |
16mm |
Copper |
1.51kg |
RA225 |
2000mm |
15mm |
16mm |
Copper |
3.00kg |
RA240 |
Supplied with locknut.
"Field trial tests in the United States, carried out over many years research have confirmed that blunt air rods are struck by lightning in preference to taper pointed air rods"
"Lightning rod improvement studies" by C B Moore, W Rison, J Mathis, C Aulich. Journal of Applied Meteorology, May 2000.
Multiple Point
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Rod diameter |
Material |
Weight each |
Part no |
15mm |
Copper |
0.27kg |
RA600 |
Suitable only for use with copper air terminals.
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Flat saddle
| Conductor Size |
Rod diameter |
Thread diameter |
Conductor material |
Weight each |
Part no |
50mm |
15mm |
16mm |
Copper |
1.03kg |
SD155 |
70mm |
15mm |
16mm |
Copper |
0.95kg |
SD160 |
95mm |
15mm |
16mm |
Copper |
0.95kg |
SD165 |
Recommended fixing — countersunk woodscrew 1 1 /2" x no.10 and wall plug.
Cable Wire System
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