HYAC 20pair telephone cable 0.5mm outdoor self supporting communication cable

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Product description

HYAC 20pair telephone cable 0.5mm outdoor self supporting communication cable

Cable Construction

1. Conductor : 99.9% pure annealed copper

Diameter of wire : 0. 50mm

Tolerance : ± 0.01 mm

2 . Insulation : PE Polyethylene

Diameter of Insulation : 0.89mm

Tolerance : ± 0.02 mm

Nominal thickness : 0.195mm

3 Twisting pair : 2 x Insulated wire

Number of pairs		1	2	3	4	5	6	7	8	9	10
Insulation color coding	a	white	white	white	white	white	red	red	red	red	red
Insulation color coding	b	blue	orange	green	brown	gray	blue	orange	green	brown	gray
Number of pairs		11	12	13	14	15	16	17	18	19	20
Insulation color coding	a	Black	Black	Black	Black	Black	Yellow	Yellow	Yellow	Yellow	Yellow
Insulation color coding	b	blue	orange	green	brown	gray	blue	orange	green	brown	gray
Number of pairs		21	22	23	24	25
Insulation color coding	a	Violet	Violet	Violet	Violet	Violet
Insulation color coding	b	blue	orange	green	brown	gray

4 Cable Make-up : 2x（12+13）Pairs shall be form a 50-pairs supper unit

NO.of Pairs in cable	Make-up			NO.of Pairs in spare per unit	NO.of unusable pairs allowed
	NO. of unite in centre and successive layers
	centre	1^st Layer	2^st Layer
10/0.50	2+8	----	----	0	0
20/0.50	1+6+13	----	----	0	0
30/0.50	8+9+8+5	----	----	0	0
50/0.50	2 x（12+13）	----	----	0	0

5 Colour of tape lappings within unit or a double unit for cables

Unit		Colour of tape lappings for supper Unit
NO.of unit	Colour of tape lappings	NO.of supper Unit		NO.of pairs
		100pairs	50 pairs
1	White-blue	/	White	1~25
2	White-orange			26~50

6. Core Wrapping : The cable core shall be wrapped with a continuous protective layer of one or two tapes , lapped Helically or laid longitudinally.

7. Rip Cord : Nylon Yarn

8. Moisture Barrier : Longitudinally Overlapped Laminated Aluminum Tape

Nominal Thickness of AL : 0.15±0.015 mm

The plastic layer ：Both sides with plastic coated of AL.

Nominal Thickness of Plastic：0.05±0.01mm

9 Self-Support Cables: Per CW 1252. A 7-strand galvanized steel strand is used as support wire. Black polyethylene sheath covers both core and support wire in a figure-8 construction.

Cable size	galvanized steel strand Nominal SIZE（mm）	Nominal Thickness ±0.2mm（mm）	Outer Diameter (Approx.) （mm）
10/0.50	7X1.0	1.4	5.5
20/0.50	7X1.0	1.4	5.5
30/0.50	7X1.0	1.4	5.5
50/0.50	7X1.0	1.4	5.8

11 the web： The height of the web shall 3.1±1.0mm。

The thickness of the web shall be 2.5±0.5mm for cables .

12 Outer Sheath : LDPE (Black Colour)

Cable size	Nominal Thickness（mm）	Min. Thickness at any point（mm）	Outer Diameter (Approx.) （mm）
10/0.50	1.60	1.12	10.2×18.8
20/0.50	1.60	1.12	12.41×21.01
30/0.50	1.60	1.12	14.11×23.01
50/0.50	1.60	1.12	16.91×25.81

13. Sheath Marking : According to customer requirements。

14. Packing and Weight :

Cable size	Drum material	Drum length(KM)	Wooden drum size	Net.Weight Kg/drum (Approx.)	Gross.Weight Kg/drum (Approx.)
10/0.50	Wood drum	2.000	1250600640	302	352
20/0.50		2.000	1250600640	430	490
30/0.50		1.000	1100×500×460	286	356
50/0.50		1.000	1300×600×460	402	507