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Designers, Manufacturers, Installers of Lightning Protection Systems Since 1898

Penetrator Fittings

Penetrator Fittings provide the means for lightning cables to safely pass through roofs and walls providing concealment of the system.


Dom # 599 – (Opt 1) 2-Part Copper Penetration Sleeve

DLRC #599 Penetrator Fitting_Unit 1
Unit 1
Dom # 599 2-Part Copper Penetration Sleeve - Unit 2
Unit 2
Dom # 599 2-Part Copper Penetration Sleeve - Full
Application Copper tube sleeve allows lightning cable to run through the tube without being broken or spliced.
Description Unit 1 consists of a ¾” (19mm) I.D. ridged copper tube, length per (OPT 1) soldered to a brass washer and a 6”x6”x.047” (152mm x 152mm x 1.2mm) copper mounting flange plate. This is secured to the roof deck prior to installation of roofing or waterproofing materials. Top of tube may temporarily plugged to prevent blockage be debris during construction.
Roofing contractor to waterproof this unit to the roofing system when installed.

Unit 2 consists of a ¾ (19mm) OD - to - 5/8” (15.8mm) ID. copper reducer fitting attached to 5/8” (15.8mm) x 21” (533mm) soft bendable copper tube.
This is attached to unit 1 after cables have been installed in both units
Bend tube to desired shape to maintain smooth radius bends
Options Opt 1 – Overall Tube Length Standard (24”) Custom (30”)
Dimensions Unit 1 - Flange Plate 6”x 6” (152mm x 152mm)
Tube dia. 7/8” (22mm)
Tube length – see Options
Unit 2 – Tube dia. 5/8” (15.9mm)
Tube length 22-1/4” (565mm)
Weight Unit 1 – Opt 1 24” - 21oz (595 g)
Opt 2 30” - 24oz (680g)
Unit 2 - 8.5oz (241g)

Dom TS13UL-(Opt 1) – (Opt 2) – (Opt 3) – (Opt 4) Mechanical Threaded Rod Roof Penetrator Fitting

TS13 Rectangular Mount
TS13 Rectangular Mount
Application Penetration of Lightning Cable Through a Roof Assembly
Description Mechanical Penetration fitting including:
Opt 1 – (18”) Schedule 40 PVC tubing 2”dia. x 18” (51mm x 457mm) c/w ½” dia. x 24” (13mm x 610mm) Stainless Steel Threaded Rod
Opt 1 – (24”) Schedule 40 PVC tubing 2”dia. x 24” (51mm x 610mm) c/w ½” dia. x 30” (13mm x 762mm) Stainless Steel Threaded Rod
Opt 2 - 2-bolt straight mechanical cable connector (Bottom fitting)
Opt 3 - 2-way horizontal cable connector c/w ½” Stainless steel nut and washer (Top Fitting)
Opt 4 Retangular Cast Flange c/w two ¼” clear predrilled holes for securing to surface.
Options Opt 1 - length of PVC (12) (18)
Opt 2 - Brass (B) or Aluminum (A)
Opt 3 - Bronze (B) or Aluminum (A)
Opt 4 - Bronze (B) or Aluminum (A)
Dimensions Diameter – 2" (51mm)
Length – 7-1/4" (185mm) + Opt 1 length
Flange - 2" x 4" (51mm x 102mm)
Weight Opt 1 (18) / Opt 2-4 (B) 50 oz (1418 g)
Opt 1 (24) / Opt 2-4 (B) 60 oz (1700 g)
Opt 1 (18) / Opt 2-4 (A) 42 oz (1190 g)
Opt 1 (24) / Opt 2-4 (A) 52 oz (1472 g)

Dom TS16UL-(Opt 1)-(Opt 2)-(Opt3) Mechanical PVC Extension Assembly

TS16B PVC Capped Assembly
TS16B PVC Capped Assembly
Application Penetration of lightning cable through a PVC conduit
Description Mechanical Penetration fitting including:
Opt 1 PVC Cap for affixing on to the top end of PVC conduit chases.
Opt 2 - Bottom End has a 2-bolt hex straight mechanical cable connector
Opt 3 - Top End has a 2-way horizontal cable connector c/w ½” Stainless steel hardware and EPDM washer.
Top and bottom end are connected by a ½” (12.7mm) stainless steel threaded rod.
Options Opt 1 – PVC Cap Size (1”) (1-1/4”) (1-1/2”)
Opt 2 – Brass (B) or Aluminum (A)
Opt 3 - Brass (B) or Aluminum (A) or Bimetal (BM)
Dimensions Diameter – 2” (51mm)
Length – 5” (127mm)
Weight Opt 2(B) / Opt 2(B or BM) 12.9oz (g)
Opt 1(B) / Opt 2(A) 11.25oz (319g)
Opt 1(A) / Opt 2(B) 9.77oz (277g)
Opt 1(A) / Opt 2(A) 6 oz (171g)