ZGFS double-jacketed telephone buried service wire with shielding is primarily used for extending buried telephone plant from the distribution cable to the subscriber.
Specifications of Telephone Buried Service Wire with Double Jacket

Conductor	Solid pure annealed bare copper
AWG	19 or 22 or 24
Insulation	100% virgin polyolefin, available in solid, foam or foam-skin
Core	2 to 6 twisted pairs filled with Petroleum Jelly compound, the water-block wrap and flooding compound is optional to utilize
Shield	Gopher-shield available in 5 - or 6 - mil Copper Clad Stainless Steel, 5 - or 6 - mil Copper Clad Alloy Steel,6 - mil CI 95 Copper Alloy, 5.5 - mil C664 Copper Alloy,7 - mil CI94 Copper Alloy or 5 - mil C230 Copper Alloy
	Non-gopher shield: available in 4- or 5- mil C220 copper alloy or 8-mil coated aluminum
Inner jacket	Black or natural polyethylene
Armoring	6-mil bare steel 6-mil coated steel 9-mil galvanized steel strip 4- or 5-mil 302 or 304 stainless steel
Jacket	Low-density, medium-density or high-density polyethylene or polyvinyl chloride(PVC).
Compliance	ANSI/ICEA S-86-634-2004
Package	Available in coils (CL) and reels (RL)

Color Coding for Twisted Pairs

Pair No.	Conductor Color
	Ring	Tip
1	Blue	White
2	Orange	White
3	Green	White
4	Brown	White
5	Slate	White
6	Blue	Red

Color Code of Each Pair in Star-quad

Pair No.	Conductor Color
	Ring	Tip
1	Blue	White
2	Orange	White

Electrical Specifications of Telephone Buried Service Wire with Double Jacket

Size	19 AWG		22 AWG	24 AWG
Conductor resistance Ω/KM (mile)	≤28.0(45.0)		≤56.6(91.0)	≤89.5(144.0)
Conductor resistance unbalance	≤5.0% at 20℃(68 ºF)
Mutual Capacitance nF/km(mile)	Average 52+/-4(83+/-7) , Maximum 58(94)
Capacitance Unbalance-pair to pair	≤145 pF/km(80pF/kft)@1 KHz
Capacitance unbalance pair to ground	≤2625 pF/km(800pF/kft)@1 KHz
Attenuation dB/km(kft)@772 KHz	10.2(3.1)	14.4(4.4)			18.0(5.5)
Crosstalk dB/305m(1000ft)	≥44 @ 23℃+/-3℃(73ºF+/-5 ºF).
Insulation resistance Gigohm/km(mile)	≥1.6(1.0) @20℃(68 ºF)
Shield resistance Ω/km(kft)	≤33 (10) @20℃(68 ºF)

Product Data Sheet

Series NO.	Pair count /AWG	Core Style	Standard length m(ft)	package
1	2/19, 22 or 24	twisted	100(328)	Coil
2	2/19, 22 or 24	twisted	200(656)	Coil
3	2/19, 22 or 24	twisted	305(1000)	Reel
4	2/19, 22 or 24	twisted	500(1640)	Reel
5	2/19, 22 or 24	twisted	1000(3280)	Reel
6	3/19, 22 or 24	twisted	100(328)	Coil
7	3/19, 22 or 24	twisted	200(656)	Coil
8	3/19, 22 or 24	twisted	305(1000)	Reel
9	3/19, 22 or 24	twisted	500(1640)	Reel
10	3/19, 22 or 24	twisted	1000(3280)	Reel
11	4/19, 22 or 24	twisted	100(328)	Coil
12	4/19, 22 or 24	twisted	200(656)	Coil
13	4/19, 22 or 24	twisted	305(1000)	Reel
14	4/19, 22 or 24	twisted	500(1640)	Reel
15	4/19, 22 or 24	twisted	1000(3280)	Reel
16	5/19, 22 or 24	twisted	100(328)	Coil
17	5/19, 22 or 24	twisted	200(656)	Coil
18	5/19, 22 or 24	twisted	305(1000)	Reel
19	5/19, 22 or 24	twisted	500(1640)	Reel
20	5/19, 22 or 24	twisted	1000(3280)	Reel
21	6/19, 22 or 24	twisted	100(328)	Coil
22	6/19, 22 or 24	twisted	200(656)	Coil
23	6/19, 22 or 24	twisted	305(1000)	Reel
24	6/19, 22 or 24	twisted	500(1640)	Reel
25	6/19, 22 or 24	twisted	1000(3280)	Reel

Series NO.	Conductor count /AWG	Core style	Standard length m(ft)	Package
26	4/19,22,24	Star quad	100(328)	Coil
27	4/19,22,24	Star quad	200(656)	Coil
28	4/19,22,24	Star quad	305(1000)	Reel
29	4/19,22,24	Star quad	500(1640)	Reel
30	4/19,22,24	Star quad	1000(3280)	Reel

ZGFS, a telephone buried service wire manufacturer and supplier since 1992, provides superior telephone buried service wire with double jacket to worldwide customers (from India, Russia, and Brazil etc.). Our company is ISO9001, TLC and CNAS certified, and our products are TLC, CCC, UL, CE, REACH and Rohs compliant. As a result of their stable performance and reliable quality, our products, such as service wire, distribution wire, LAN cable etc., are widely used in communications field, local area networks, as well as some private networks and business networks.
For more information, please contact us!