Plugs to be installed in a rack cabinet although they can also be used independently. They have metal tabs that can be mounted on the outside of the power strip plugs for the installation of the power strip in a rack cabinet. If these metal tabs are not installed, it is a conventional strip to be used anywhere. Strips made of extruded aluminum and zBakelite ovals of the highest quality. Family of power strips with electrical protection of type circuit breaker or with magneto-thermal switch.