(b)Primary Pole Top Extensions
(b)Primary Pole Top Extensions Fibreglass pole top extensions may be used in an incidental single pole application where the voltage does not exceed 14400 volts nominal to ground. All installations shall be in accordance with Construction...
AI summary Fibreglass pole top extensions are permitted for single pole applications up to 14400 volts nominal to ground, provided they comply with Construction Standard Dwg. J-ED-28M and are mutually approved prior to installation to ensure pole strength is not exceeded.