The Electrical Trades Union (ETU) has backed a proposal to develop Australia's National Broadband Network (NBN) via the installation of cables on existing power poles instead of underground trenches.

The ETU has urged Communications Minister Malcolm Turnbull to give full consideration to the use of overhead deployment for the rollout of the remainder of the NBN in order to both cut down on costs and provide higher quality Internet connections. David Mier, the ETU’s NBN construction coordinator, said in…