https://community.sony.no/t5/portable-audio/dab-radio-xdr-s7-power-plug/m-p/2237746#M3135 <P>Hi there</P> <P>&nbsp;</P> <P>Simple Answer: Considering you have asked this question, indicates that you should not be touching it.&nbsp; <U><STRONG>The only way to be 100% certain is to test it with a multimeter</STRONG> </U></P> <P>&nbsp;</P> <P>But found this for you:</P> <P><A href="http://electronics.stackexchange.com/questions/39450/what-do-solid-striped-lines-on-a-wire-indicate" target="_blank">http://electronics.stackexchange.com/questions/39450/what-do-solid-striped-lines-on-a-wire-indicate</A></P> <P>&nbsp;</P> <P>Cheers</P> Sun, 09 Oct 2016 15:26:14 GMT Anonymous 2016-10-09T15:26:14Z https://community.sony.no/t5/portable-audio/dab-radio-xdr-s7-power-plug/m-p/2237718#M3134 <P>Simple question.&nbsp; Is the black and white&nbsp; wire on plug pos or neg?&nbsp; Thank you.</P> Sun, 09 Oct 2016 14:40:57 GMT https://community.sony.no/t5/portable-audio/dab-radio-xdr-s7-power-plug/m-p/2237718#M3134 smokeyjoe6969 2016-10-09T14:40:57Z https://community.sony.no/t5/portable-audio/dab-radio-xdr-s7-power-plug/m-p/2237746#M3135 <P>Hi there</P> <P>&nbsp;</P> <P>Simple Answer: Considering you have asked this question, indicates that you should not be touching it.&nbsp; <U><STRONG>The only way to be 100% certain is to test it with a multimeter</STRONG> </U></P> <P>&nbsp;</P> <P>But found this for you:</P> <P><A href="http://electronics.stackexchange.com/questions/39450/what-do-solid-striped-lines-on-a-wire-indicate" target="_blank">http://electronics.stackexchange.com/questions/39450/what-do-solid-striped-lines-on-a-wire-indicate</A></P> <P>&nbsp;</P> <P>Cheers</P> Sun, 09 Oct 2016 15:26:14 GMT https://community.sony.no/t5/portable-audio/dab-radio-xdr-s7-power-plug/m-p/2237746#M3135 Anonymous 2016-10-09T15:26:14Z