Delicate operation to save tradie after severe electric shock

An Adelaide tradesman's workmates and skilled rescuers have been credited with saving his life after he suffered a severe electric shock on Friday.

Paramedics had to climb up to where the 52-year-old man was trapped beneath the roof of an Edwardstown business to stabilise him.

He was fighting for life as specialist rescue workers removed him from Panda Auto in a delicate, hour-long operation.

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"(He) had to have some immediate therapy that got his heart started again," South Australia Ambulance Service's Grant Copley said.

The injured worker was carefully loaded into an ambulance and raced to the Flinders Medical Centre.

The man suffered a severe electric shock just before 11am (11.30am AEDT).

Paramedics said the decision from one colleague to immediately start CPR may have saved the man's life.

"He had first aid and good first aid rendered to him by his work colleagues until paramedics arrived," Mr Copley said.

The worker's condition improved on Friday afternoon, upgraded to serious but stable.

Safe Work SA is investigating the incident.

An Adelaide man was electrocuted in December of last year.

The 48-year-old Morphettville man was found unresponsive on the roof of the Aberfoyle Hub Shopping Centre and died at the scene.