A coronial inquest in Brisbane has heard a teenager who died while installing home insulation received no training and was given no proper safety equipment.

The court was told first-year carpentry apprentice Rueben Barnes, 16, had worked for Arrow Maintenance for less than a month when he was electrocuted at a home near Rockhampton in 2009.

The coroner heard that he received no insulation training and no induction, and that co-workers at the site had not been trained in first aid treatment for electric shock.

He was one of three people who died in Queensland installing home insulation under the Federal Government's rebate scheme.

A month earlier, Matthew Fuller, 25, was electrocuted at Logan, south of Brisbane, while Mitchell Sweeney, 22, died in north Queensland in early 2010.

The inquest will consider 11 issues, including why it was not mandatory to turn off or isolate power during installation jobs.