advantages and features of the present invention and methods of accomplishing the same may be understood more readily by reference to the following detailed description of the exemplary embodiments and the accompanying drawings . the present invention may , however , be embodied in many different forms and should not be construed as being limited to the exemplary embodiments set forth herein . rather , these exemplary embodiments are provided so that this disclosure will be thorough and complete and will fully convey the concept of the invention to those skilled in the art , and the present invention will only be defined by the appended claims . like reference numerals refer to like elements throughout the specification . fig1 is an illustration of a power device system 1 according to an exemplary embodiment of the present invention . a modem connector / adapter 2 ( although this embodiment is intended to connect to a modem , the embodiments are not limited to connections to modem ) is connected to power supply , such as a switched - mode power supply ( smps ) 3 . an example of an smps 3 may have approximate dimension of 4 . 32 ″× 1 . 970 ″× 1 . 245 ″ with an input of 100 - 120 vac 1 . 0 a 50 - 60 hz and output 12 . 0 vdc 2 . 9 a . one of ordinary skill in the art would comprehend that the modem may be replaced by any other suitable device and the power supply may vary as well . the power supply has a male socket 7 . a connector 6 with female parts corresponding to the male socket 7 on the smps 3 can be input into the male socket 7 . the connector 6 is attached to a filter 8 . the filter 8 in this exemplary embodiment is a dual stage power line filter . the filter 8 also consists of a male socket 7 . an ac plug 4 provided with mains ac power is attached by way of a conductor 5 to a connector 6 . this connector 6 can be input in any male socket 7 . however , in fig1 it is illustrated next to the male socket 7 of the filter 8 . fig1 further illustrates an inner connect auxiliary cable 10 which contains a male socket 7 and a connector 6 with female parts connected to each other with a conductor 5 . the inner connect auxiliary cable 10 may be used with any of the configurations presented below in fig2 - 4 to provide flexibility in the arrangement and configuration . by way of example , in the mains ac powered device 1 of fig1 , the male socket 7 of the inner connect auxiliary cable 10 can be connected to the connector 6 of the filter 8 and the connector 6 of the inner connect auxiliary cable 10 is connected to the male socket 7 of the smps 3 . accordingly , with the presence of the inner connect auxiliary cable 10 , the smps 3 and the filter 8 are connected electronically as they would have been if they were directly connected . this configuration of inner connect auxiliary cable 10 can be applied to anywhere where a male socket 7 and connector 6 are inter - connected . fig1 also illustrates an auxiliary power cable assembly 11 . the auxiliary power cable assembly 11 comprises of a male socket 7 and a ac receptacle 12 which corresponds to an ac plug 4 , connected by a conductor 5 . fig2 - 6 illustrate various exemplary embodiments with varying configurations based on the system illustrated in fig1 fig2 illustrates an exemplary embodiment of the present invention in which no filter is used . fig2 illustrates a mains ac powered device 1 which contains a modem connector 2 connected to smps 3 . the mains ac power 4 is connected to a connector 6 by means of a conductor 5 . the connector 6 contains female parts and plugs into a corresponding male socket 7 in the smps 3 . essentially , this configuration produces a standard power supply for appliances or devices . the smps 3 is provided with an ac power by the mains ac power 4 by way of a removable connection based on the connector 6 . fig3 illustrates another exemplary embodiment of the present invention wherein a filter 8 is added to the configuration presented in fig2 . accordingly , a mains ac powered device 1 which contains a modem connector 2 is connected to smps 3 . the mains ac power 4 is connected to a connector 6 by mean of a conductor 5 . the connector 6 contains and plugs into a corresponding male socket 7 of the filter 8 . furthermore , a female connector 6 provided in the filter 8 plugs into corresponding male part 7 in the smps 3 . essentially this configuration allows for addition of an inline power filter that uses the same ac cord that the switch mode power supply uses . accordingly , by the use of the connector 6 on the filter 8 , the filter block can be directly plugged into an appliance , in this case a smps 3 . so all a user has to do is take a filter 8 and plug it directly onto the appliance . the smps 3 is provided with an ac power by the mains ac power 4 by way of a removable connection based on the connector 6 . fig4 , displays another exemplary embodiment of the present invention . fig4 , illustrates the solution for a scenario in which the configuration presented in fig3 does not cure the problems with power line generated noise . accordingly , there is a need for an additional filter . therefore , additional filter 9 is serially added within the device . the connector 6 of filter 8 connects to male socket 7 of filter 9 , while the connector 6 of filter 9 connects to the male counterpart in smps 3 . accordingly , a cascading of the noise filters is done leading to increase or doubling of the filtering capability . one of ordinary skill in the art would comprehend that numerous filters could be added using the configuration and the methods illustrated above . additionally , the plurality of filters that are used may have different characteristics of noise . by way of example , in fig4 , filter 8 could be a high frequency noise filter and filter 9 could be a low frequency noise filter . accordingly , if both of these filters are used together , one would cancel the high frequency and the other would cancel the low frequency . accordingly , a band - pass filter can be implemented . however , the filters are not limited to these characteristics and many different variations can be implemented based on the technical requirements . therefore , as illustrated by the exemplary embodiments provided above , the presence of the connectors 6 with female parts on the respective filters provides the flexibility to removably place the filter anywhere in the ac line . accordingly , in another exemplary embodiment of the present invention ( not illustrated ), further filters can simply be cascaded using the methods and configuration described above allowing the filtering to be conducted in various methods . essentially additional filters can be cascaded together to implement desired filtering . accordingly , by a method of cascading , multiple filters can be serially in line with the power cable or cord . fig5 illustrates the use of an inner connect auxiliary cable 10 according to another exemplary embodiment of the present invention . the male socket 7 of the inner connect auxiliary cable 10 is connected to the connector 6 of the filter 8 and the connector 6 of the inner connect auxiliary cable 10 is connected to the male socket 7 of the smps 3 . accordingly , with the presence of the inner connect auxiliary cable 10 , the smps 3 and the filter 8 are electronically connected as they would have been if they were directly connected . this configuration of inner connect auxiliary cable 10 can be applied to anywhere where a male socket 7 and connector 6 are inter - connected . the use of the inner connect auxiliary cable 10 and especially the wire 6 , which might be a rubberized cord allows for further flexibility in the use of a filter 8 . by way of example , if the filter 8 is to be applied to a tv , it can simply be attached using a wire 6 , instead of the whole mains ac powered device 1 having to be placed behind the tv . fig6 illustrates the use of auxiliary power cable assembly 11 according to another exemplary embodiment of the present invention . the male socket 7 of the auxiliary power cable assembly 11 is connected to the connector 6 of the filter 8 , while the ac receptacle 12 is connected to a ac plug 4 connected by a conductor 5 to a device 14 . the configurations and methods applied to the filters with respect to the connectors 6 and the male sockets 7 in exemplary embodiments of the present invention can be used with varying type of filters and are not limited to the filters illustrated in the exemplary embodiments . fig7 illustrates an inside of the filter 8 and fig8 illustrates a wiring diagram of the inside of a filter 8 accordingly to an exemplary embodiment of the present invention . the connector 6 , such as a c13 connector , and the male socket 7 , such as a c14 connector , are illustrated . the filter contains a non - conductive housing 21 on the outside . the filter further includes a breaker 20 . while the filter 8 does not necessary require a breaker 20 , it can be beneficial to put one in , so as to protect the circuits and minimize the chances of a fire . tables 1 and 2 below illustrate exemplary filter specifications of the filter used in an exemplary embodiment of the present invention . one of ordinary skill in the art would comprehend that the structure can be slightly altered to implement the principles of the present invention to produce similar results . in another exemplary embodiment ( not illustrated ) of the present invention , the device may have varying configurations and ground is isolated outside the device . as described above , according to the exemplary embodiment of the present invention , filters can be interchangeably easily configured thus the performance of a power device can be easily improved . although exemplary embodiments of the present invention have been described for illustrative purposes , those skilled in the art will appreciate that various modifications , additions and substitutions are possible , without departing from the scope and spirit of the invention as disclosed in the accompanying claims . the foregoing embodiments are merely exemplary and are not to be construed as limiting the present invention . therefore , the scope of the present invention should be defined by the accompanying claims and their legal equivalents .