Profile: Zero Surge Inc. specializes in power quality filters for residential and business purpose. Our 10R series residential unit has features such as 10 outlet units, isolated receptacles, one master on/off switch and a built in circuit breaker. The 8R series plug-in unit has 8 outlet units. It has a switch which can be used as a master on/off, while the two always on outlets are suitable for fax and answering machines. It has a built-in circuit breaker that prevents overloading.