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Updated April 2017


​Aerial services – Acceptable wire and spans

​Customer's services conductor amps ​Weather protected (WP) service wire ​Maximum allowable span (metres)
​400 ​# 336.4 MCM ​15 m
​300 ​#4/0 AWG ​15 m

​200 (Commercial)

#1/0 AWG Open ​30 m
​200 (Residential) ​# 1/0 AWG Multiplex ​30 m
​150 ​# 1/0 AWG Multiplex ​30 m
​100 ​# 4 AWG Multiplex ​30 m

AWG = American wire guage
MCM = thousand circular mils