RE: Ground Fault Circuit Interrupter tripping

2007-08-20 Thread emc-p...@ieee.org
Hi Brian: First, you should measure the current in the ground wire with an oscilloscope and a current probe or measure the voltage across a low-value resistance such as 10 ohms in series with the ground wire. Second, you should measure the current in the ground wire with a RMS ammeter.

RE: Ground Fault Circuit Interrupter tripping

2007-08-20 Thread emc-p...@ieee.org
Thanks for the great information. Let me see if I'm comprehending it correctly. - A product can pass the leakage current test and not pose a hazard to the user but still trip a GFCI. In such cases, is there an alternative to the GFCI? If the NEC requires a GFCI in a location but a device used

A book for China RoHS

2007-08-20 Thread emc-p...@ieee.org
To Those Who are Interested in: The China Quality Management Association for Electronics Industry (CQAE) published a book in regard to the China RoHS. The news is available at http://www.cqae.com/zxdt-xw.asp?column_id=978 http://www.cqae.com/zxdt-xw.asp?column_id=978. This book contains

Re: What is killer joules?

2007-08-20 Thread emc-p...@ieee.org
On the other hand my ICD supplies 35 joules at full power. Not sure of the voltage. Bob Heller 3M EMC Laboratory, 76-1-01 St. Paul, MN 55107-1208 Tel: 651- 778-6336 Fax: 651-778-6252