From 1936 the house was then connected to the mains supply.

It will also run domestic appliances in areas of Japan with no mains supply.

Before proceeding further the usual warnings about working with the mains supply have to be given.

Never work on any project that is connected to the mains supply.

It is not enough to switch off at the mains supply.

During the 1950s the water treatment method for the pool changed to mains supply.

The tunnel even had its own electric lights, tapped off the mains supply.

He must have turned it off at the mains supply in the attic.

The normal mains supply of 240v is more than sufficient to kill a man.

Conversely if the mains supply of the region is unreliable, the local generation system can be used to power important equipment.