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ASTM 25kV Overhead Space Aerial Cable AAAC 3-layer Track-resistant PE
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Application
Power is often delivered to the user's service head, when connection to the service entry is made, using a 25kV overhead space aerial cable.
To be used with conductor temperatures no more than 75°C for polyethyl insulated conductors and 90°C for crosslinked conductors at 600V or less phase to phase.
Constructions
Single cable with an AAAC conductor, a 3-layer extruded shield and covering system, consisting of an extruded semiconducting thermoplastic conductor shield, and a 2-layer covering.
The covering inner layer is a low-, medium- or high-density polyethylene (LDPE, MDPE or HDPE), while the outer layer is track-resistant medium- or high-density polyethylene (TK-MDPE or TK-HDPE).
All layers are bonded together.
Conductor:
AAAC
Conductor Shield:
Extruded semiconducting thermoplastic shield which is free stripping from the conductor and bonded to the covering.
Inner and Outer Covering:
2-layer low-, medium- or high-density polyethylene covering (LDPE, MDPE or HDPE), where the outer layer is track-resistant (TK-MDPE or TK-HDPE). All layers are bonded together. The outer layer shall be black or gray, sunlight resistant and track resistant.
Standards
These cables are manufactured and tested to meet or exceed the following standards:
ASTM B230 – Aluminum 1350–H19 Wire for Electrical Purposes
ASTM B231 – Concentric-Lay-Stranded Aluminum 1350 Conductors
ASTM B400 – Compact Round Concentric-Lay-Stranded Conductors
ASTM D1248 – Polyethylene Plastics Extrusion Materials for Wire and Cable
ICEA S-121-733 – Tree Wire and Messenger Supported Spacer Cable
