Aluminum AAC Conductor Power Cable

AAC–Aluminum Strand Conductor

Applications
Stranded 1350 aluminum conductors shown in this section of data are classified as follows:

Class AA For bare conductors usually used in overhead lines.

Class A For conductors to be covered with weather-resistant materials and for bare conductors where greater flexibility is required.

Compact strand conductor for use in bare overhead applications or for use with weather-resistant coverings or insulations is also available.
Classes refer to stranding and are an indication of relative conductor flexibility, AA being the least flexible, C the most flexible.

Construction
Aluminum alloy 1350-H19 wires, concentrically stranded. 

Specifications
AAC bare conductors meet or exceed the following ASTM specifications :

B-230 Aluminum Wire, 1250-H19 for Electrical Purposes
B-231 Aluminum Conductors, Concentric-Lay-Stranded
B-400 Compact Round Concentric-Lay-Stranded Aluminum 1350 Conductors

ACSR–Aluminum Strand Conductor Steel Reinforced

Applications
Used as bare overhead transmission cable and as primary and secondary distribution cable. ACSR offers optimal strength for line design. Variable steel core stranding enables desired strength to be achieved without sacrificing ampacity.

Construction
Aluminum alloy 1350-H-19 wires, concentrically stranded about a steel core. Core wire for ACSR is available with class A, B, or C galvanizing; ""aluminized"" aluminum coated (AZ); or aluminum-clad (AW) – please see our ACSR/AW spec for more information. Additional corrosion protection is available through the application of grease to the corer or infusion of the complete cable with grease.

Specifications
ACSR bare conductor meets or exceeds the following ASTM specifications:

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-341 Aluminum-Coated Steel Core Wire for Aluminum Conductors, Steel Reinforced (ACSR/AZ) 
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/AZ) 
B-500 Zinc Coated and Aluminum Coated Stranded Steel Core for Aluminum Conductors, Steel Reinforced (ACSR)
 

AAAC 6201–Aluminum Alloy Bare Conductor

Applications
Used as bare overhead conductor for primary and secondary distribution. Designed utilizing a high-strength aluminum alloy to achieve a high strength-to-weight ratio; affords better sag characteristics. Aluminum alloy gives AAAC higher resistance to corrosion than ACSR.

Construction
Standard 6201-T81 high strength aluminum conductors, conforming to ASTM Specification B-399, are concentric-lay- stranded, similar in construction and appearance to 1350 grade aluminum conductors. Standard 6201 alloy conductors are similar to other alloy conductors commercially known as Ardival, Aldrey or Almelec. They were developed to fill the need for an economical conductor for overhead applications requiring higher strength than that obtainable with 1350 grade aluminum conductors, but without a steel core. The DC resistance at 20°C of the 6201-T81 conductors and of the standard ACSRs of the same diameter are approximately the same. Conductors of the 6201-T81 alloys are harder and, therefore, have a greater resistance to abrasion than conductors of 1350-H19 grade aluminum.

Specifications
AAAC bare conductor meets or exceeds the following ASTM specifications :

B-398 Aluminum Alloy 6201-T81 Wire for Electrical Purposes 
B-399 Concentric-Lay-Stranded 6201-T81 Aluminum Alloy Conductors.

ACAR–Aluminum Conductor Aluminum Alloy Reinforced

Applications 
ACAR cables are used for overhead transmission and distribution lines.

Construction
Concentric-stranded cable formed by a core of 6201-T81 aluminum alloy wires surrounded by 1350 H-19 aluminum wires concentrically stranded over the alloy core.  Some designs have 1350 aluminum wires and 6201 alloy wires intercalated in the same layer.

Features 
Very good ratio Tensile Strength to Weight.  Highly resistant to corrosion.

Standards :ASTM B-524 

Notes
Current Carrying Capacity is based on 77oF (25oC) ambient temperature,
167oF (75oC) conductor temperature, 2 ft/sec (0.6 m/s) wind velocity,
0.5 Cable emissivity, sun 96 watts/sq.ft (1000 watts/mo), at sea level.