Re: RTTE Directive

2001-03-15 Thread amund
Thomas, Check the equipment list on http://europa.eu.int/comm/enterprise/rtte/listeq.htm Amund, Oslo/Norway On Thu, 15 Mar 2001 09:52:11 -0500 Courtland Thomas ctho...@patton.com wrote: Hello Group, I would like to know if there is a list of equipment that falls under the RTTE Directive.

RE: Electrical knock out - force to remove

2001-03-15 Thread POWELL, DOUG
This is in a non-accessible area at the rear of a 19 rack-mount power supply. Only service or maintenance people can access. Also, the knock out cannot be pushed inward on the chassis, only outward when the top cover is removed. -doug   = Douglas E. Powell

R2D Certification

2001-03-15 Thread Courtland Thomas
Hello Group, I have yet another question. Does anyone know what R2D certification is? I was asked if our equipment has Bulgarian certification for R2D. I am not familiar with the term. Thanks, Courtland Thomas Patton Electronics --- This message is

Re: Ferrites experience ....... last comment

2001-03-15 Thread Ralph Cameron
To the Ferrite discussion: I've refrained from responding to the ferrite question because of being away but I would confirm what Amand states. I use powdered iron FT240-43 from Fair-Rite as they make them for Amidon and have the properties desired to reduce common mode signals appearing on

Electrical knock out - force to remove

2001-03-15 Thread POWELL, DOUG
Hello group, I have a product that uses optional 1/2 half-shear electrical knock outs for conduit connections. Can anyone direct me to specific requirements on how much or how little force is required to remove these knock outs? Is a tool required or not if it only pushes outward? thanks,

Re: PFC filter

2001-03-15 Thread John Woodgate
ad.82daed6.27e25...@aol.com, peterh...@aol.com inimitably wrote: I have been told by a customer that there are PFC filter available commercially off the shelf just like the EMI filter that I can buy and put it in front of my power supply and the PFC filter will cure most of the harmonic

Re: Class I Division 1 versus Class I Division 2

2001-03-15 Thread cnewton
Div 1 = normally hazardous. Div 2 = only hazardous in the event of a failure (e.g. ventilation breakdown, pipe/tank rupture). For that reason, Div 2 hardware need only pass in the normal operating state, no circuit faults are considered. The logic being applied is that two unrelated faults

RE: PFC filter

2001-03-15 Thread Carmen.Filimon
Hi Peter, Try Ro Associates Inc. http://www.roassoc.com or Vicor http://www.vicr.com or Motorola Regards, Carmen, Leitch -Original Message- From: peterh...@aol.com [SMTP:peterh...@aol.com] Sent: Thursday, March 15, 2001 12:06 PM To: emc-p...@majordomo.ieee.org Subject:

Re: PFC filter

2001-03-15 Thread Ken Javor
If it is passive check its effect on power factor. I saw one yesterday that reduced power factor to - 0.33. on 3/15/01 11:05 AM, peterh...@aol.com at peterh...@aol.com wrote: Hello All, I have been told by a customer that there are PFC filter available commercially off the shelf just

RE: Class I Division 1 versus Class I Division 2

2001-03-15 Thread Kevin Robinson
Robert, Check out the National Electric Code (NFPA 70) Article 500-7(a) and 500-7(b) for your answer, but simply stated, In a Division 1 location, the hazardous atmosphere is assumed to be present under normal conditions, and a Division 2 location, the hazardous atmosphere is present under

Re: Class I Division 1 versus Class I Division 2

2001-03-15 Thread Jacob Schanker
Robert: To my best recollection, the essential difference is that Div. 2 is an environment subject to occasional presence (leaks) of flammable/explosive gases, while Div. 1 is where this stuff is always present or potentially present. I suppose this is a simplification, but I think it expresses

PFC filter

2001-03-15 Thread Peterhays
Hello All, I have been told by a customer that there are PFC filter available commercially off the shelf just like the EMI filter that I can buy and put it in front of my power supply and the PFC filter will cure most of the harmonic problems. Is this ture? If so can anyone let me have some

Re: Class I Division 1 versus Class I Division 2

2001-03-15 Thread Art Michael
Hello Robert, A visit to the Safety Link www.safetylink.com and an in-page search on the term hazloc will deliver you to a spot within the Safety Link with several very good tutorials and other resources on this topic. Regards, Art Michael Int'l Product Safety News A.E. Michael, Editor 166

Re: code of conduct for low power supplies

2001-03-15 Thread John Woodgate
abejkckdfonelaipofhnmebiecaa.cet...@cetest.nl, CE-test - Ing. Gert Gremmen - ce-marking and more... cet...@cetest.nl wrote: Last week I mentioned the introduction of new regulations for the power limitation of small power supplies. I looked up the document and can tell you the following:

Engineer in hell

2001-03-15 Thread Nick Williams
In view of recent postings, I hope no one minds me posting the following which arrived in my in-box today Nick _ An engineer dies and reports to the pearly gates. St. Peter checks his dossier and says, Ah, you're an engineer--you're in the wrong place. So the engineer reports

Class I Division 1 versus Class I Division 2

2001-03-15 Thread Loop, Robert
Hello Group, I need some education on Classified/Hazardous locations. What is the difference between a product that is certified to Class I Division 1 versus Class I Division 2? If I had a product that was certified to Division 2, what would be needed to make it pass Division 1 requirements?

RTTE Directive

2001-03-15 Thread Courtland Thomas
Hello Group, I would like to know if there is a list of equipment that falls under the RTTE Directive. My area of concern is converters, such as RS-232 to RS-485, V.35 to G.704, etc.. Any help would be appreciated. Thanks, Courtland Thomas Patton Electronics

RE: Cable Harnesses and Product Safety (UL1950/CSA C22.2 no. 950)

2001-03-15 Thread Carmen.Filimon
Hi Paul, For wire: CSA/UR Source: type of wire, gauge, rated voltage, max temperature, flammability rating, For shrinkable tubing: CSA/UR Source: material, rated voltage, flammability rating, max temperature, thickness You should get also a Declaration of Conformity from the cable harnesses'

RE: Cable Harnesses and Product Safety (UL1950/CSA C22.2 no. 950)

2001-03-15 Thread Dick Grobner
I would state the requirements (UL Recognized) for the wire, heat shrink, etc. on the print somewhere. You may want to also set up some sort of certification process with your supplier, that is, you and your supplier work up a certification document stating that components used on your assembly

ANNOUNCE - FAQ: Sources of EMC Safety Compliance Information, 59th Issue

2001-03-15 Thread Bill Lyons
FAQ: Sources of EMC Safety Compliance Information This is to let you know that I have just posted in two parts the 59th issue of the above FAQ to the newsgroup for regulatory/compliance matters and EMC and safety specifications and testing,

RE: RTTE Packaging

2001-03-15 Thread WOODS
Bob, the Directive does required markings on the packaging, but it does not define the type of packaging. It is my opinion that the sales package was intended and not the shipping package. In my case, I only have a shipping package, so I have applied the markings there. The CE mark must be

RE: Cable Harnesses and Product Safety (UL1950/CSA C22.2 no. 950)

2001-03-15 Thread Lyons, Jim
Paul - If you specify on your drawings that the harnesses (cables) are to be UL R/C (or Listed) and CSA Certified, your vendor should place the required markings or agency labels on the packaging or product as specified in their UL agreement. You need to have the packaging available when the FUS

RTTE Packaging

2001-03-15 Thread reheller
I saw some postings recently to the following question but I was not able to browse the recent archives so I will ask the question again. Under the RTTE Directive is there any labeling requirements for the product packaging or shipping packaging? If so, what is required? Thanks, Bob

Chicago IEEE EMC Meeting Notice 3/21/01

2001-03-15 Thread Frank Krozel
Welcome to the IEEE EMC Chicago Chapter Website! The purpose of this site is to inform our local EMC engineers with information related to the IEEE EMC Chicago Chapter. Please bookmark this page for future reference, and especially look to this site for news related to

Re: Flicker problem

2001-03-15 Thread reheller
So the real problem lies with the power companies for the power outage in the first place...(just joking). = John Woodgate j...@jmwa.demon.co.uk on 03/14/2001 12:03:56 PM Please respond to John Woodgate

RE: FCC Labelling/Marking

2001-03-15 Thread IEEE-EMC User Group
Hello Steve and All, For your case (Verification Class A Digital Device) please be advised as follows: 1. The statement This device ... undesired operation needs to be placed on the product. If the product is too small, you may place it in: a. The User Instruction Manual b. The pamphlet

Re: Flicker problem

2001-03-15 Thread John Woodgate
200103142314.paa04...@epgc196.sdd.hp.com, Rich Nute ri...@sdd.hp.com inimitably wrote: I often wonder whether being able to measure a phenomenon means that we should therefore control that phenomenon. Phenomena such as flicker and EMC have been observable long before the advent of suitable

RE: Cable Harnesses and Product Safety (UL1950/CSA C22.2 no. 950)

2001-03-15 Thread Gary McInturff
Call out requirements for recognized material VW-1 etc on the drawing. Then have the vendor mark the cables with their recognition mark, either toe tags or on the box. Show that to the inspector just like you would any recognized part. But have control of your vendor - you should have some

RE: FCC labels

2001-03-15 Thread Gary McInturff
yup - digital watch makers about had a cow over this years ago, but I don't think they define small. [Gary McInturff] Gary -Original Message- From: Fleury, Bill [mailto:bi...@artesyncp.com] Sent: Wednesday, March 14, 2001 2:01 PM To: 'Peter Merguerian'; 'Steve Austin'; emc pstc Cc:

RE: Chinese GB/T17626.6-1998 standard

2001-03-15 Thread Anderson Cheng(TPE)
My understanding is that the GB-9254-1998 is similar to CISPR 22 and the GB-4943-1995 is similar to IEC 60950. Anderson Cheng -原始郵件- 寄件者: wo...@sensormatic.com [SMTP:wo...@sensormatic.com] 傳送時間: 2001年3月15日 AM 04:18 收件者: emc-p...@ieee.org 主旨: RE: Chinese GB/T17626.6-1998

Re: ITE/Telecom Equipment for Japan

2001-03-15 Thread Anderson Cheng(TPE)
The Japanese laws about product safety will change from T-mark to PSE-mark, effective from April 1st, 2001. As for AC Adapters that already have T-Mark approval, there is a 5 year period for which they can continue to be sold OR to the point when their T-Mark license expires. Power Cords and AC

Cable Harnesses and Product Safety (UL1950/CSA C22.2 no. 950)

2001-03-15 Thread Hare, Paul
I use an outside vendor to assemble various cable harnesses for my products. The vendor is recognized by UL and CSA and undergoes quarterly audits. I supply a drawing that specifies certain components (e.g. Connector X, Line Filter Y). However, I leave it up to them to use whatever UL/CSA