
Multipair Extension Cable
Common extension wire types are made 
up into standard multipair cables. Each 
conductor is covered with a polyvinyl 
jacket, nominal 0.38 mm (0.015") thick, 
and the pairs are individually twisted. 
Clear polyester film/plastic sheet tape 
is then wrapped around the bundle of 
twisted pairs. A stranded tinned-copper 
drain wire is laid over the bundle, which 
is covered with aluminum-backed 
polyester film/plastic sheet tape to serve 
as an electro-static shield. The drain 
wire provides a simple mechanical 
termination for the shield. The cable is 
then covered with a jacket of polyvinyl 
approximately 1.1 mm (0.045") thick.
As an added convenience, each 
standard cable contains an extra 
polyvinyl-clad stranded-copper  
wire for use as a ground connection,  
or to complete a communication or 
signal circuit. Standard cables are  
color-coded. The individual pairs 
are marked 1-1, 2-2, etc., for easy 
identification. Insulation will withstand 
temperatures up to 105°C (221°F).
Note: Metric dimensions are approximate.
CHROMEGA®/ALOMEGA® ANSI TYPE KX
Discount Schedule
 60 - 152 m (200 - 499'). . . . . . . . . . .5% 
 153 - 914 m (500 - 2999') ......10%
 915 m (3000') and up ......... 15%
Color-coded 
polyvinylinsulated 
extension wire 
in twisted, 
marked pairs
ANSI Color Code: Positive Wire, Yellow; Negative Wire, Red; Overall, Yellow
 To Order Visit omega.com/4kx_multipair_cable for Pricing and Details
  20 AWG, Polyvinyl  24S AWG (7 x 32), Polyvinyl
 No. of  Model No.  Nominal  Ship Wt    Nominal  Ship Wt 
 Pairs  ANSI  Overall  kg/300 m  Model  Overall  kg/300 m 
 (Twisted)  Color Code  Size mm (inch)  (lb/1000')  Number  Size mm (inch)  (lb/1000')
 4 4KX20PP 10 mm (0.39")  39 (85) 4KX24SPP 8.4 mm (0.330")  25 (55)
  8 8KX20PP 12 mm (0.48")  61 (135) 8KX24SPP 11 mm (0.420")  39 (85)
  12 12KX20PP 15 mm (0.58")  89 (195) 12KX24SPP 14 mm (0.530")  52 (115)
 16 16KX20PP 16 mm (0.65")  111 (245) 16KX24SPP 15 mm (0.600")  73 (160)
 20 20KX20PP 17 mm (0.68")  129 (285) 20KX24SPP 16 mm (0.625")  86 (190)
 24 24KX20PP 20 mm (0.77")  154 (340) 24KX24SPP 17 mm (0.650")  100 (220)
IRON/CONSTANTAN - ANSI TYPE JX 
ANSI Color Code: Positive Wire, White; Negative Wire, Red; Overall, Black
  20 AWG, Polyvinyl  24S AWG (7 x 32), Polyvinyl
 No. of  Model No.  Nominal  Ship Wt    Nominal  Ship Wt 
 Pairs  ANSI  Overall  kg/300 m  Model  Overall  kg/300 m 
 (Twisted)  Color Code  Size mm (inch)  (lb/1000')  Number  Size mm (inch)  (lb/1000')
 4 4JX20PP 10 mm (0.39")  39 (85) 4JX24SPP 8.4 mm (0.330")  25 (55)
  8 8JX20PP 12 mm (0.48")  61 (135) 8JX24SPP 11 mm (0.420")  39 (85)
  12 12JX20PP 15 mm (0.58")  89 (195) 12JX24SPP 14 mm (0.530")  52 (115)
 16 16JX20PP 16 mm (0.65")  111 (245) 16JX24SPP 15 mm (0.600")  73 (160)
Aluminumbacked polyster 
film/plastic  
sheet wrap
 20 20JX20PP 17 mm (0.68")  129 (285) 20JX24SPP 16 mm (0.625")  86 (190)
 24 24JX20PP 20 mm (0.77")  154 (340) 24JX24SPP 179 mm (0.650")  100 (220)
COPPER/CONSTANTAN - ANSI TYPE TX 
ANSI Color Code: Positive Wire, Blue; Negative Wire, Red; Overall, Blue
  20 AWG, Polyvinyl  24S AWG (7 x 32), Polyvinyl
22 gage stranded  
tinned-copper bare 
drain wire in contact 
with aluminum-backed 
polyester film/ 
plastic sheet
Note: Published prices are 
based on market value at time 
of printing and are subject to 
change due to Nickel surcharges, 
Chromium and precious-metal 
market fluctuations.
Polyvinyl jacket
 No. of  Model No.  Nominal  Ship Wt    Nominal  Ship Wt 
 Pairs  ANSI  Overall  kg/300 m  Model  Overall  kg/300 m 
 (Twisted)  Color Code  Size mm (inch)  (lb/1000')  Number  Size mm (inch)  (lb/1000')
 4 4TX20PP 10 mm (0.39")  39 (85) 4TX24SPP 8.4 mm (0.330")  25 (55)
  8 8TX20PP 12 mm (0.48")  61 (135) 8TX24SPP 11 mm (0.420")  39 (85)
  12 12TX20PP 15 mm (0.58")  89 (195) 12TX24SPP 14 mm (0.530")  52 (115)
 16 16TX20PP 16 mm (0.65")  111 (245) 16TX24SPP 15 mm (0.600")  73 (160)
 20 20TX20PP 17 mm (0.68")  130 (285) 20TX24SPP 16 mm (0.625")  86 (190)
 24 24TX20PP 20 mm (0.77")  1552 (340) 24TX24SPP 17 mm (0.650")  100 (220)
Ordering Example: 4TX20PP-100, 100' of 4 pair twisted Copper/Constantan multipair extension cable, 
ANSI type TX.
Overbraiding 
Any standard item can be overbraided 
with tinned copper, stainless steel or 
Inconel upon request.
Special Orders 
Multipair extension cable can be made 
to order with insulation to suit your 
installation requirements. Consult Sales 
Department on pricing and quantity 
minimums.
Multipair Pricing 
Multipairs can be purchased in any 
quantity [minimum length 7.5 m (25')]. 
 Minimum Bending Radius 
 4 pair cable: 6 times overall diameter 
 8 pair cable: 10 times overall diameter 
 Over 8 pair cable: 
  14 times overall diameter
Custom Design - FEP Insulated 
Multipair Cable, Overbraided 
Cable and 2 Pair Cable Designs 
Available, Consult Sales.
H-49
For Higher Temperature 
and More Severe Environments 
FEP Insulation and Individually 
Shielded Pairs are Available!
Call 1-800-TC-OMEGA for 
pricing and availability, 
or visit omega.com/multipair
ANSI 
color 
code
shown
To order
IEC color
code visit
omega.com