Comtran 25 Pair Telephone Cable Cat 3 PVC/CMR Gray – 100% US Made (per foot)

Reference#: 69282
Item#: CT-33570


Made for riser telephone cabling applications, Comtran Cat 3 PVC/CMR Gray 25-Pair Telephone Cable is made of 50 24-gauge solid bare copper conductors with a PVC jacket. This Cat 3 cable is suitable for voice, T1 and many other uses. Made in the U.S., these Cat 3 cables qualify for all product-origin specific U.S. federal government sales requirements.
The dark color coding on this CMR cable makes punch-down easy even in low-light conditions. Because of our 20 plus years in the business and long-established relationships with many manufacturers, Discount Low Voltage also has access to many other telephone cable types, some of which are not listed on our website.
This product is sold by the foot:
·Comtran 25-Pair Telephone Cable Cat 3 PVC/CMR Gray

Qualified orders over $200 ship for FREE. Delivery usually takes two to five business days. Rush shipping is also available if desired.

Our cable reeling machines let us cut this telephone cable to length. That allows you to order exactly the amount you require with no waste. If you have any questions about this cable or other options, email or call our expert customer service staff. We will provide fast, helpful answers.


Suitable for:
4Mbps Token Ring (IEEE 802.5)
10 Base-T (IEEE 802.3)
52 Mbps ATM


UL Listed Type MPR/CMR
TIA 568-B.2 Category 3
(4 pair verified UL and ETL)

Insulation: Semi-rigid PVC
Jacket: Flame Retardant Chrome Gray PVC with sequential footage markings
Ripcord: Applied longitudinally under jacket
Operating Temperatures: -10c to +60c
Voltage Rating: 300 volts
Conductors: Solid bare copper
Jacket Thickness: 0.015 inches
Outside Diameter: 0.334 inches

25 pair telephone cable color coding is as follows:
1 white/blue
2 blue/white
3 white/orange
4 orange/white
5 white/green
6 green/white
7 white/brown
8 brown/white
9 white/slate
10 slate/white
11 red/blue
12 blue/red
13 red/orange
14 orange/red
15 red/green
16 green/red
17 red/brown
18 brown/red
19 red/slate
20 slate/red
21 black/blue
22 blue/black
23 black/orange
24 orange/black
25 black/green
26 green/black
27 black/brown
28 brown/black
29 black/slate
30 slate/black
31 yellow/blue
32 blue/yellow
33 yellow/orange
34 orange/yellow
35 yellow/green
36 green/yellow
37 yellow/brown
38 brown/yellow
39 yellow/slate
40 slate/yellow
41 violet/blue
42 blue/violet
43 violet/orange
44 orange/violet
45 violet/green
46 green/violet
47 violet/brown
48 brown/violet
49 violet/slate
50 slate/violet

Electrical Characteristics: DC Resistance (max) 9.38 Ohms/100m @ 20C
Mutual Capacitance (nom) 18 pF/ft @ 1 kHz
Characteristic Impedance 100 +/- 15 Ohms from 1.0-16.0 MHz

Structural Return Loss (SRL):
12dB (min) from 1.0-10.0 MHz
12-10 log (f/10) from 10.0-16.0 MHz

Voltage Rating: 300V