250 MCM Hofstra Aluminum XLPE URD Single Cable Direct Burial
What is 250 MCM Hofstra Aluminum XLPE URD Single Cable Direct Burial？
250 MCM Hofstra Aluminum XLPE URD Direct Burial Solo Cable is designed for secondary distribution circuits and can be installed either in conduits or directly buried. Supports a maximum operating temperature of 90 ° C in humid and dry conditions, and has a voltage rating of 600 volts. Besides, 250MCM Cable URD this cable can optionally be offered pre-installed in a conduit.
URD Cable It is a thick aluminum cable designed for the underground electricity distribution in residential areas, suitable to be buried directly on the ground without additional protection.
Standard of 250 MCM Hofstra Aluminum XLPE URD Single Cable Direct Burial
ASTM B-230: Standard Specification for 1350-H19 Aluminum Wire for Electrical Purposes
ASTM B-609: Standard Specification for Aluminum Round Wire 1350, annealed and intermediate tempering, for electrical purposes
ICEA S-105-692: Standard for Underground Utility Distribution Cables with Single-Ply Thermostable Insulation 600 volts
RUSS ACCEPTED: Accepted by the Rural Public Services Service
Technical data 250 MCM Hofstra Aluminum XLPE URD Single Cable Direct Burial
Phase Conductor Insulation Thickness: 95mls
Size MCM: 250
Stranding: 26
Diameter Individual Wire Aluminum (Inches): 0.542
Diameter Complete Cable (O.D.) (Inches): 0.732
Weight Per 1000ft Total (Lbs.): 315
Allowable Ampacity 90C (Amps): 320
Allowable Ampacity In Ducts (Amps): 250
Cable applications
250MCM Hofstra Cable URD has a rated current capacity that depends on several factors., including ambient temperature, installation and specific conditions of use. However, The 250MCM URD cable have a fairly high current capacity due to its thickness and design.
The current capacity of a cable is determined taking into account the maximum allowable temperature of the conductor, heat dissipation capacity, and other safety factors. In general, This capacity is specified in tables provided by cable manufacturers or electrical engineering regulations..