Aerial bundled cables (also aerial bundled conductors or simply ABC Cable) are overhead power lines using several insulated phase conductors bundled tightly together, usually with a bare neutral conductor. This contrasts with the traditional practice of using uninsulated conductors separated by air gaps.
Applications of abc cable
Primarily used for 120 volt overhead service applications such as street lighting, outdoor lighting, and temporary service
for construction. To be used at voltages of 600 volts phase-to-phase or less and at conductor temperatures not to exceed
75°C for polyethylene insulated conductors or 90°C for crosslinked polyethylene (XLP)insulated conductors.
Specification of abc cable
(1) Conductor :
a) Phase conductor
The phase conductors shall be of Aluminum 1350 conductor and compacted circular stranded.
b) Neutral or messenger conductor
The neutral or messenger conductor shall be of aluminum alloy conductor AAAC or ACSR Or AAC and compacted circular stranded.
c) Street-Lighting conductor
The street lighting conductors shall be ofaluminum conductor and compacted circular stranded.
(2) Insulation :
The phase,neutral and street lighting conductors shall be extruded with Polyethylene (PE) or Cross-linked Polyethylene (XLPE) as insulation.
The cable consists of insulated phase and street lighting aluminum conductors, shall be held firmly onto the
insulated neutral messenger aluminum alloy conductor in a right hand (Z) lay.
Advantages of abc cable
Relative immunity to short circuits caused by external forces (wind, fallen branches), unless they abrade the insulation.
Can stand in close proximity to trees and will not generate sparks if touched.
Simpler installation, as crossbars and insulators are not required.
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