trumpy:
indeed i used in both usa and france and it is very popular device i have one with me for over 15 year both duspol and amprobe devices and i have good luck with them. and alot of american electican use wiggie also. almost all have them oneway or other includeing hvac contracters use them too . ( sorry i try to scan a pic but my scanner wont work on me [swearing in french ])

merci marc

Pas de problme,il marche n'est-ce pas?"(No problem, it works doesn't it?)