White Neutrals are bonded to Earth Ground in the building supply panel in N.A. If you get tingly feelings from white wires, you may want to check the bus bar in the main panel box before it corrodes more and things start to smoke......Wasn't there a thread on this here a couple of months ago? Chris -----Original Message----- From: pic microcontroller discussion list [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Martin Peach Sent: Wednesday, February 06, 2002 1:03 PM To: PICLIST@MITVMA.MIT.EDU Subject: Re: [EE]: Newbie Q. re: electrical outlet and SSR Definitely in US and Canada black is hot/live/painful/burnt and white is neutral/slightly-tingly-to-the-touch. Green is earth ground. Red is used as well when there is more than one switch in a circuit. /\/\/\/*=Martin -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads