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APPLICATION
Shaped Wire Compact Concentric-Lay-Stranded Aluminum Conductor, Steel-Reinforced (ACSR/TW) is designed for use as a bare overhead conductor. There are two designs of ACSR/TW. One design gives an equal area of aluminum when compared to the standard ACSR conductor sizes. The other design gives an overall outside diameter equal to standard ACSR conductor sizes. Use of this conductor in the equal area design allows equal ampacity in a smaller diameter conductor when compared with standard ACSR conductor. Use of this conductor in the equal diameter design allows more ampacity in an equal diameter conductor when compared with standard ACSR conductor.

SPECIFICATIONS
B-779 Shaped Wire Compact Concentric-Lay-Stranded Aluminum Conductors, Steel-Reinforced (ACSR/TW).
B-230 Aluminum Wire, 1350-H19 for Electrical Purposes
B-231 Aluminum Conductors, Concentric-Lay-Stranded
B-232 Aluminum Conductors, Concentric-Lay-Stranded, Coated Steel Reinforced (ACSR)
B-502 Aluminum-Coated Steel Core Wire for Aluminum Conductors, Steel Reinforced (ACSR/AW)
B-498 Zinc-Coated Steel Core Wire for Aluminum Conductors, Steel Reinforced (ACSR)
B-500 Zinc Coated and Aluminum Coated Stranded Steel Core for Aluminum Conductors, Steel Reinforced (ACSR)

CONSTRUCTION
Aluminum alloy 1350-H19 trapezoidal shaped wires, concentrically stranded about a steel core. Core wire for ACSR/TW is available with class A, B, or C galvanizing; ""aluminized"" aluminum coated (AZ); or aluminum-clad (AW1). Additional corrosion protection is available through the application of grease to the core or infusion of the complete cable with grease.

NOTES
+ Ampacity calculated assuming: ambient 250C, conductor 75 ºC, wind 2 ft./ sec., sun.

Specifications

Conductor
Size

 N/A 1257.1

Conductor
Area
ALUM
(sq.in.)

 N/A 0.9874

Conductor
Area
TOTAL
(sq.in.)

 N/A 1.0557

Type
Code

 N/A 7

Stranding
No.
Layers
of
Aluminum

 N/A 3

Stranding
Aluminum

 N/A 35

Stranding
Steel

 N/A 7x0.1115

Outside
Diameter
Complete
Conductor
(in.)

 N/A 1.213

Outside
Diameter
Steel
Core
(in.)

 N/A 0.3345

Total
Weight
(lb/MFT)

 N/A 1417.0

Aluminum
Weight
(lb/MFT)

 N/A 1185.7

Steel
Weight
(lb/MFT)

 N/A 231.3

Rated
Strength
(lbs.)

 N/A 34200

Resistance
DC@20 ºC
(OMS/MFT)

 N/A 0.0137

Resistance
AC@75 ºC
(OMS/MFT)

 N/A 0.0172

Allowable
Ampacities+

 N/A 1150