Electrical equipment on a pole in Valley Road, Msida, caught fire early this morning, but the blaze was quickly extinguished by policemen before the flames could spread.
The blaze was reported at about 4.30 a.m.
The police and Enemalta technicians were on the scene. A policemen used a fire extinguisher to put out the fire.
The mainbox supplies electricity to a showroom.
mynews@timesofmalta.com