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Designers, Manufacturers, Installers of Lightning Protection Systems Since 1898

Primary Lightning Cables - Class II

Primary Lightning Cables are used safely carry the lightning energy from the strike termination devices (air terminals) to the grounding / energy dissipation system in the soil.  Lightning cables may also be used as part of the grounding system. Class II cables are to be used with Class I and/or Class II / III / IV / V systems as defined in the applicable codes.


Dom C5UL, Ropy Lay Copper Lightning Conductor Class II

C5 Rope-Lay Lightning Conductor
Part # Dom C5UL
Cable 28 strands of 14 gauge (.066 in) (1.68mm) ropy lay copper cable
Cable Dia 5.25 in (13.3mm)
Weight 380 lbs / 1000 ft (565g/m)
Cross-Sectional Area 115000 circular mils (58mm²)
Exposed Circumference Surface 4.9in (124.5mm)
Exceeds Class II Requirements
UL96 Listed / Labeled

Dom C5TUL, Tin Plated Ropy Lay Copper Lightning Conductor Class II

Dom C5TUL Tin Plated Ropy Lay Copper Lightning Conductor
Part # Dom C5TUL
Cable 28 strands of 14 gauge (.066 in) (1.68mm) tin plated ropy lay copper cable
Cable Dia 5.25 in (13.3mm)
Weight 380 lbs / 1000 ft (565g/m)
Cross-Sectional Area 115000 circular mils (58mm²)
Exposed Circumference Surface 4.9in (124.5mm)
Exceeds Class II Requirements
UL96 Listed / Labeled

Dom A37UL, Concentrically Stranded Aluminum Lightning Cable

A37 Aluminum Conductor
Part # Dom A37UL
Cable 37 strands of 12.5 gauge (.076 in) (1.93mm) concentric wound Aluminum cable
Cable Dia .53” (13.46 mm)
Weight 200lbs / 1000 ft (298g/m)
Cross-Sectional Area 211000 circular mils (107mm²)
Exposed Circumference Surface 2.15” (54.6 mm)
Exceeds Class II Requirements
UL96 Listed / Labeled