RE: Doubt on household equipment interference

That depends on what channel the tvi is on. If you are talking below vhf channels it is probably radiated but if it is uhf then it most likey is conducted. Guy Story Engineering Compliance Technician email: gst...@iphase.com phone: 214.654.5161 fax: 214.654.5586 -Original Message-

Re: LVD and notified bodies

Kevin, I had that same issue with I was working with the EMC Directive. In fact, I had five very different EMC test plan signed-off by different EMC Competent Bodies. The bottom line is that interpretations do vary between Notified Bodies. The way they get around this issue, at least

Re: Intrinsic safety for factory communication?

Intrinsically Safe apparatus. USA Standards Factory Mutual Research Corp Standard 3610 Intrinsically Safe Apparatus for use in Class 1, 2, and 3, Division 1 Hazardous (Classified) Locations. Also for reference with this standard, 3600 Electrical Equipment for Use in Hazardous (Classified)

LVD and notified bodies

Hello Group, Here are some LVD protocol issues for you. If you had a product type tested by one notified body then at some later time a second notified body (doing market surveillance) determines that they feel the product does not meet the LVD ( We are assuming the type tested product was the

Re[2]: Doubt on household equipment interference

Muriel, I have a couple of questions and comments. 1. Is the video to the TV coming in via cable or antenna? If you have a good cable coming in and you still get noise, it is more likely that the noise is entering the chassis via the power cord.

Re: Intrinsic safety for factory communication?

Hi Joe, Start with UL 913. Then go to CSA, UL or FM sites and search on the topics, intrinsic safety hazardous locations hazloc. Also, on the Safety Link, you will find a link to a 6-part tutorial on this subject . Search on the term intrinsically safe or crouse-hinds www.safetylink.com

Re: Doubt on household equipment interference

At 04:54 PM 9/1/99 -0300, Muriel Bittencourt de Liz wrote: Dear Members I'd like to solve a doubt.. suppose the following: I have an electrical installation in a house. The feeding is with three-phase and one neutral conductors. If I connect a TV and a blender in the same phase, the blender

Intrinsic safety for factory communication?

Hello All: I am hoping that some of you can help me gain an understanding of the requirements for intrinsic safety for communication wiring that is used in a manufacturing environment. My background is in telecom and ITE, not factory automation. However, I have been asked to assist a client

Re: Doubt on household equipment interference

George and List Members, Another question appeared: what will be the main mode of interference: conducted or radiated, in the example I gave Regards Muriel Seminsky, George wrote: Your are assuming that the interference is due to conducted (thru the AC wiring) emissions. However, the

Colorado Product Safety Technical Committee meeting notice for S eptember 15, 1999

For those who are interested in the Colorado Product Safety Technical Committee (CPSTC) meeting, please read on. + The Colorado Product Safety Technical Committee (CPSTC) will be holding the September 15, 1999 meeting at the Exabyte facilities, located in the city of Boulder, Colorado. It is

RE: Doubt on household equipment interference

Your are assuming that the interference is due to conducted (thru the AC wiring) emissions. However, the interference may be due to radiated emissions. George -Original Message- From: Muriel Bittencourt de Liz [mailto:mur...@grucad.ufsc.br] Sent: Wednesday, September 01, 1999 12:55 PM

RE: Doubt on household equipment interference

Sounds like a definate maybe... Mike Hopkins -Original Message- From: Muriel Bittencourt de Liz [SMTP:mur...@grucad.ufsc.br] Sent: Wednesday, September 01, 1999 3:55 PM To: Lista de EMC da IEEE Subject: Doubt on household equipment interference Dear Members I'd

RE: Doubt on household equipment interference

Muriel: If you have access to a ferrite core (ring shaped) try winding the cord of the blender two to three turns through the core. This might reduce the RF in the line enough to make the interference something that can be acceptable. There is also the possibility that the interference is

RE: Doubt on household equipment interference

In the UK and I believe Europe I would not expect to see 3 phase brought into a household environment as this would expose the customer to line voltages (root 3 x phase voltage [line-to-neutral]). Even in office locations the power outlets are kept to a single phase per floor to prevent an

EMC Test Houses in Naples

Bob, Try: ITEL Telecomucazioni in Bari (not far away from Napoli). e-mail: i...@ec-promoter.com, fax: +39-80-84 I hope this helps John Radomski Compliance Engineer Inter-Tel Integrated Systems rehel...@mmm.com on 09/01/99 06:04:26 AM Please respond to rehel...@mmm.com To: