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Designers, Manufacturers, Installers of Lightning Protection Systems Since 1898

Bonding Connectors

Bonding connectors connect lightning cables to metallic surfaces and are specifically designed to fit lightning cables and withstand lightning energy without degradation. Bi-metallic bonding connectors connect lightning cables to metallic surfaces without corrosion. In addition to the connectors  featured, others are available. All bonding connectors are UL96 Listed and Labeled.


Dom # BFB4UL-(Opt 1) Cast Bolt Terminal Lug Fitting

BF4B Bronze Bonding Lug
BF4B Bronze Bonding Lug
Description Cast fitting with flat surface for over 4 sq-in of contact
2 bolt pressure Tube for cable attachment
Complete with stainless steel bolts and washer
2 Predrilled holes ¼” clear
1 Predrilled hole ½” clear
Application Bonding large metal surfaces
Dimensions 2-1/4” x 2” x 5” (57 mm x 51mm x 127mm)
Options Opt 1 – Cast Bronze (B) / Cast Bronze Tin Plated (T) Aluminum (A)
Weight Bronze / Tinned Bronze - 9 oz (255 g)
Aluminum - 3oz (85g)

Dom # BFB8UL-(Opt 1) Cast Bolt 2-Way Bonding Plate

BF8B Bonding Connector
BF8B Bonding Connector
Description Cast fitting with flat surface and over 8 sq-in of contact
Complete with 2-way bolt pressure cable holder allows cable to run continuous through fitting
Comes complete with stainless steel bolt and washer
2 Predrilled ¼” clearance mounting holes
Application Interface between metal that is being used as primary lightning conductor and primary lightning cables.
Dimensions 2-1/16” x 4” (52.4mm x 101.6 mm)
Options Opt 1 – Cast Bronze (B) / Cast Bronze Tin Plated (T) Aluminum (A)
Weight Bronze / Tinned Bronze 10.3 oz (292 g)
Aluminum – 3.8oz (108g)

Dom # BFB7UL-(Opt 1) Cast Single Bolt Cable to Flat Iron Clamp

BF7B Bonding Connector
BF7B Bonding Connector
Description Cast fitting allows bonding to edges of metal surface by bolt pressure without penetration of metal surface.
Complete with 2-way bolt pressure cable holder allows cable to run continuous through fitting
Comes complete with stainless steel bolt and washer
Application Bonding to edge of metal surfaces with continuous unbroken cable and without penetration of metal surface.
Use of metal surface edge to anchor the cable.
Dimensions 1-9/16” x 2-1/4” (40mm x 57mm)
Options Opt 1 – Cast Bronze (B) / Cast Bronze Tin Plated (T) Aluminum (A)
Weight Bronze / Tinned Bronze 7.3 oz (207 g)
Aluminum - 3oz (85 g)

Dom # BFB16UL-(Opt 1) Cast Single Bolt 2-Way Bonding Plate

BF16B Bonding Plate
BF16B Bonding Plate
Description Cast fitting with flat surface and 3sq-in of contact
Complete with 2-way bolt pressure cable holder allows cable to run continuous through fitting
Comes complete with stainless steel bolt and washer
2 Predrilled ¼” clearance mounting holes on flanges
3 sq-in of contact
Application Bonding of flat metal surfaces
Dimensions 1-5/8” x 3-1/4” (52.4mm x 82.5 mm)
Options Opt 1 – Cast Bronze (B) / Cast Bronze Tin Plated (T) Aluminum (A)
Weight Bronze / Tinned Bronze 7.1 oz (201 g)
Aluminum – 2.6oz (73.7g)

Dom # BM16UL Cast Single Bolt 2-Way Bi-metallBonding Plate

BM16 Bonding Plate
BM16 Bonding Plate
Description Cast fitting with flat surface and 3sq-in of contact
1 Aluminum bottom cast clamp
1 Bronze 2-way top cast clamp
Formed stainless steel plate to separate contact between aluminum surface and bronze cables
Stainless Steel Carriage Bolt c/w Nuts and washers
3 sq inches of contact
Complete with 2-way bolt pressure cable holder allows cable to run continuous through fitting.
2 Predrilled ¼” clearance mounting holes on flanges
Application Bonding to Aluminum Surface with copper/tinned copper lighting cable
Dimensions 3-1/4” x 1-5/8” (82.6mm x 41 mm)
Weight 4 oz (113 g)

Dom # BFB5UL-(Opt 1) Cast Bolt Mini-Terminal Bonding Lug Fitting

BF5B Bronze Mini Bonding Lug
BF5B Bronze Mini Bonding Lug
Description Cast fitting with 2 bolt pressure Tube for cable attachment
Complete with stainless steel bolts and washer
1 Predrilled hole 1/4” clear
Application Bonding lug for use with Secondary Bonding cable.
Dimensions 3-1/2” x 9/16” (89mm x 14mm)
Options Opt 1 – Cast Bronze (B) / Cast Bronze Tin Plated (T) Aluminum (A)
Weight Bronze / Tinned Bronze – 4.2oz (119 g)
Aluminum – 1.5oz (43 g)