TELEPHONE & COMMUNICATION CABLES

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TELEPHONE WIRES
INSIDE-OUTSIDE STATION WIRE

APPLICATION	For general use inside a telephone subscriber station	For general use inside a telephone subscriber station
CONSTRUCTION	Conductor	0.5 or 0.65 mm solid annealed copper.
	Insulation	Polyethylene.
	Identification	2 - core : Red and Green.
		3 - core : Red, Green and Yellow.
		4 - core : Red, Green, Yellow and Black.
		5 - core : Red, Green, Yellow, Black and White.
		6 - core : Red, Green, Yellow, Black, White and Brown.

ELECTRIC CHARACTERISTICS AT 20 °C

	Conductor size (mm)	0.5	0.6
Conductor resistance, maximum.	Ohm/Km	92.3	62.8
Dielectric strength between conductor (3 seconds)	KV (dc)	3.0	3.6
Insulation resistance, minimum	Megohm-Km	16000	16000

TELEPHONE WIRES
PVC INSULATED JUMPER WIRE

APPLICATION	:	For making cross connections on distribution frames and in terminals in the telephone exchanges.
CONSTRUCTION	:	Conductor	:	0.6 or 0.65 mm tinned soft copper, solid.
	:	Insulation	:	Polyvinyl chloride.
	:	Lay-up	:	The require number of insulated conductors twisted together.
	:	Identification	:	Size 2 x 0.6 mm colour: Black and White.
			:	Size 3 x 0.6 mm colour: Red, White and Green.
			:	Size 4 x 0.6 mm colour: Black, White, Green, Blue.

ELECTRICAL CHARACTERISTICS AT 20 °C

	Conductor size (mm)	0.60
Conductor resistance, maximum.	Ohm/Km	65.0
Dielectric strength between conductor (2 seconds)	KV rms	2.0
Insulation resistance, insulated conductor wound helically in continuous turns round a metallic mandrel, minimum	Megohm-Km	200

Number and diameter of wires conductor	Nominal conductor diameter	Nominal insulation thickness	Approximate outside diameter	Approximate weight	Standard length
(No/mm)	(mm)	(mm)	(mm)	(Kg/Km)	(m)
2 x 0.6	0.5	0.3	0.4	6.0	400
3xO.6	0.5	0.3	2.6	9.0	400
4 xO.6	0.65	0.3	2.7	8.9	400

TELEPHONE WIRES
PVC INSULATED CONNECTING AND JUMPER WIRE

:	For making cross connections on distribution frames and in terminals in the telephone exchanges.
:	Conductor	:	0.5 or 0.65 mm tinned soft copper, solid.
	Insulation	:	Polyethylene chloride.
	Color	:	Blue, Yellow, Red, White, Brown, Green, Black or Orange.

ELECTRICAL CHARACTERISTICS AT 20° C

	Conductor size (mm)	0.5	0.60
Conductor resistance, maximum.	Ohm/Km	95.0	62.8
Insulation resistance, insulated conductor wound helically in continuous turns round a metallic mandrel, minimum	Megohm-Km	200	200

TELEPHONE AND COMMUNICATION CABLES
POLYETHYLENE INSULATED AND PVC SHEATHED TERMINATING CABLE

APPLICATION	:	For connecting subscriber equipment inside the building.
CONSTRUCTION	:	Conductor	:	0.5, 0.65 and 0.9 mm tinned soft copper, solid.
		Insulation	:	Polyethylene.
		Pairs	:	Two insulated conductors twisted.
		Lay-up	:	Twisted pairs concentrically stranded.

ELECTRICAL CHARACTERISTICS AT 20° C

	Conductor size (mm)	0.5	0.60	0.9
Conductor resistance, maximum.	Ohm/Km	95.0.1	65.0	30.0
Mutal capacitance at 1000 Hz, maximum average (Max)	F/Km	0.056	0.056	0.056
Dielectric strength between conductor (2 seconds)	KV	3.0	3.6	4.5
Insulation resisfance, minimum	Megohm-Km	16,000	16,000	16,000

PVC Insulated and PVC Sheathed Cable Telecommunication

Conductor diameter	Number of pairs	Nominal insulation thickness	Nominal sheath thickness	Approximate overall diameter	Approximate cable weight	Standard length
(mm)		(mm)	(mm)	(mm)	(Kg/Km)	(m)
	3	0.21	1.0	5.8	35	500
	4	0.21	1.0	6.3	42	500
	5	0.21	1.0	6.7	49	500
	6	0.21	1.0	6.9	54	500
	8	0.21	1.2	7.9	73	500
	10	0.21	1.2	8.2	84	500
	11	0.21	1.2	8.4	89	500
	12	0.21	1.2	8.7	95	500
0.5	15	0.21	1.2	9.4	113	500
	16	0.21	1.2	9.6	119	500
	20	0.21	1.2	10.5	142	500
	21	0.21	1.2	10.7	147	500
	25	0.21	1.2	11.4	170	500
	30	0.21	1.2	12.3	197	500
	40	0.21	1.4	14.2	263	500
	50	0.21	1.4	15.6	320	500
	3	0.28	1.0	6.9	50	500
	4	0.28	1.2	7.9	67	500
	5	0.28	1.2	8.5	78	500
	6	0.28	1.2	8.8	86	500
	8	0.28	1.2	9.5	106	500
	10	0.28	1.2	9.9	123	500
	11	0.28	1.2	10.2	132	500
0.60	12	0.28	1.2	10.5	142	500
	15	0.28	1.2	11.5	170	500
	16	0.28	1.2	11.8	179	500
	20	0.28	1.4	13.3	227	500
	21	0.28	1.4	13.5	236	500
	25	0.28	1.4	14.5	272	500
	30	0.28	1.4	15.7	320	500
	40	0.28	1.4	17.6	409	500
	50	0.28	1.6	19.8	510	500
	3	0.35	1.2	8.9	84	500
	4	0.35	1.2	9.8	104	500
	5	0.35	1.2	10.7	123	500
	6	0.35	1.2	11.1	139	500
	8	0.35	1.2	12.0	172	500
	10	0.35	1.4	13.3	217	500
	11	0.35	1.4	13.5	233	500
	12	0.35	1.4	14.0	250	500
0.9	15	0.35	1.4	15.3	301	500
	16	0.35	1.4	15.8	321	500
	20	0.35	1.4	17.3	388	500
	21	0.35	1.4	17.6	404	500
	25	0.35	1.6	19.4	487	500
	30	0.35	1.6	20.9	569	500
	40	0.35	1.8	24.0	753	500
	50	0.35	1.8	26.4	915	500

TELEPHONE WIRES
POLYETHYLENE INSULATED AND PVC SHEATHED PARALLEL DROP WIRE

APPLICATION	:	For extending an open wire line or distribution cable pair for a pole or cable terminal to a building.
CONSTRUCTION	:	Conductor	:	1.0 mm Copper Covered Steel wire.
		Insulation	:	Polyethylene (Black).
		Sheath	:	Polyvinyl chloride (Black).

ELECTRICAL CHARACTERISTICS AT 20° C

	Conductor size (mm)	1.0
Conductor resistance, maximum	Ohm/Km	140
Dielectric strength, (5 seconds in water)	KV	2.5
Insulation resistance, insulated conductor wound	Megohm-Km	5000

Number and diameter or wires in conductor	Nominal conductor diameter	Nominal insulation Thickness	Nominal sheath thickness	Approxi mate overalldimension
(No/mm)	(mm)	(mm)	(mm)	(mm)
2 x 1.0	1.0	0.7	0.4	6.8 x 3.2

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