A man who crashed his car into a power pole in Sydney's east early this morning became so violent, he had to be sedated by paramedics.

The 32-year-old was driving a silver Subaru in Randwick about 3.15am when he veered onto the wrong side of Perouse Road and hit a pole.

Paramedics who responded helped him from his car, but when he became violent he was instead put in a caged police truck.

"Ambulance paramedics sedated the man when he was removed from the caged truck, and he was conveyed to St Vincent's Hospital for observation and blood tests," NSW Police said in a statement.

CCTV footage of the incident shows the vehicle collide with the power pole with such force, it was almost uprooted from the ground and was left with large cracks.

The pole itself will not need to be replaced, which will cause power outages for the homes and businesses that are located along the road.

One resident, Sassoon Benjamin, who lives nearby said the man was restrained during the incident by up to six police officers.

"They got him out of the car and he just started pushing his hands and got really aggressive," he said.

"The six policemen tried to restrain him and carried him into the paddy wagon."

In light of the incident, a NSW union has renewed calls for extra paramedics and body-worn cameras and said its members were sick of being treated like punching bags.

"This incident is further evidence of the urgent need for more paramedics," secretary Gerard Hayes said in a statement.

"Thankfully in this case there was safety in numbers, but all too often, paramedics have been isolated in dangerous situations."

The HSU called on the NSW government to boost paramedic numbers in the lead-up to the state budget, saying at least another 1200 officers were needed.

Mr Hayes said the union was also willing to consider the introduction of paramedic-activated cameras, despite traditionally being ambivalent about the devices.

"Provided they are self activated and introduced alongside a serious boost to staff levels, we are prepared to support such an initiative," he said.

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