An inquest into the electrocution of a young man at a Queensland construction site underlines the need for better electrical safety, the state government says.

Jason Garrels, 20, was killed when the switchboard he was carrying came into contact with live wires at a housing site at Clermont, west of Mackay, on February 27, 2012. Paramedics arrived within minutes but the ambulance could not get to where Mr Garrels was lying because of wet and…