FW: Doubt on household equipment interference

1999-09-01 Thread Pettit, Ghery
-Original Message- From: Pettit, Ghery Sent: Wednesday, September 01, 1999 2:55 PM To: 'Muriel Bittencourt de Liz'; 'emc-p...@ieee.org' Subject: RE: Doubt on household equipment interference Muriel, I would expect to see interference in this case, as well. The

Doubt on household equipment interference

1999-09-01 Thread Muriel Bittencourt de Liz
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 generates interference (lines) in the TV screen. If I connect

Pressure Equipment Directive Analysis file

1999-09-01 Thread Crane, Lauren
Trying to be helpful, and I create more trouble...oh well... some people were not able to open the Word document I attached to a previous message. It was created under windows 95 Word 7.0 SR1. Here is the same document saved as RTF. Hope this helps. -Lauren Crane PED analysis.rtf PED

Re: Pressure Equipment Directive

1999-09-01 Thread Chuck Seyboldt
On Wed, 1 Sep 1999, Crane, Lauren wrote: == In reading through the PED (97/23/EC) I notice the following, apparent contradiction... The text of say Article 3, section 1.1(a) first indent says for fluids in Group 1 with a volume greater than 1 L and a

FW: NFPA and overcurrent protection requirements.

1999-09-01 Thread Price, Ed
Posted for chuck_me...@electro-test.com: :-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-) Ed Price ed.pr...@cubic.com Electromagnetic Compatibility Lab Cubic Defense Systems San Diego, CA. USA 619-505-2780 (Voice) 619-505-1502 (Fax) Military Avionics EMC

RE: hard anodized process to insulate metal chassis parts

1999-09-01 Thread James, Chris
Yes we hit this problem several years ago, hence my qualifier of non-hydroscopic of which there are various options -Original Message- From: Linstrom, John (IndSys, GEFanuc, CDI) [mailto:john.linst...@gefgreenville.ge.com] Sent: Wednesday, September 01, 1999 3:20 PM To: 'James,

FW: hard anodized process to insulate metal chassis parts

1999-09-01 Thread Price, Ed
Posted for john.linst...@cdynamics.com :-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-):-) Ed Price ed.pr...@cubic.com Electromagnetic Compatibility Lab Cubic Defense Systems San Diego, CA. USA 619-505-2780 (Voice) 619-505-1502 (Fax) Military Avionics EMC

Re: Hard Anodised Process to insulate metal parts

1999-09-01 Thread Jeff Chambers
I had the opposite problem once, of ensuring electrical connection to an anodised aluminium part, for shielding purposes. The only sure way was to machine away the anodising on the surface where contact was to be made. But that is quite different from relying on the anodising for insulation,

EMC Test Houses in Naples

1999-09-01 Thread reheller
Could anyone please provide me with the name and contact information for any EMC testing facility in or near Naples, Italy. Thanks, Bob Heller Sr. EMC Engineer 3M Company - This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to

Pressure Equipment Directive

1999-09-01 Thread Crane, Lauren
Dear Colleagues, Two items regarding this. == In reading through the PED (97/23/EC) I notice the following, apparent contradiction... The text of say Article 3, section 1.1(a) first indent says for fluids in Group 1 with a volume greater than 1 L and a

RE: US Circuit breaker requirements

1999-09-01 Thread Jody Leber
Paul, I believe the requirement is related to flammable liquids such as gasoline and LP gas. For example in gas stations electrical components are typically installed at least 18 above the ground. Additionally, my hot water heater at home is on an 18 stand. The NEC covers some of the

Re: FCC 47 CFR Part 18

1999-09-01 Thread Tom Cokenias
Jeff This section of FCC rules, which have the force of law, is for ISM - Industrial Scientific and Medical - devices that use RF energy for non-communications uses, such as generating heat (ex. microwave oven), light (ex RF excited flourescent lights) or generating plasma (ex: semiconductor

RE: hard anodized process to insulate metal chassis parts

1999-09-01 Thread James, Chris
Given that sulphuric hard III anodizing is only .001 to .003 thick then I'd have thought not. It is also fairly easy to compromise, so in a mechanical assembly you would be hard pressed to know how good the insulator was or how long it would remain so after the rigours of use (vibration etc.).

re: OATS Rework Results

1999-09-01 Thread bma
Don , Please allow me to input a wild speculation. Given: Everything is OK with your OATS, Antennas, measurements and calculations. What's wrong with 30 MHz in Vertical? My suspicion is that the antenna was not properly calibrated in V (Vertical). Antennas were usually calibrated in

USB Shield Grounding

1999-09-01 Thread Cook, Jack
A question regarding the Universal Serial Bus (USB) Specification. USB spec. 1.0 required the cable shield at the peripheral end to be DC isolated from the chassis; ie, it could be terminated only through a capacitor(s). That requirement always seemed strange for a cable with a max. length of 5

Re: FCC 47 CFR Part 18

1999-09-01 Thread Douglas McKean
At 12:37 PM 8/31/99 -0600, JENKINS, JEFF wrote: Does anyone know if there are laws that require semiconductor processing equipment and other types of industrial equipment to conform to FCC 47 CFR Part 18? From time to time we get inquiries about this and we're wondering what is