Re: [PSES] Hazard warning labels on panel doors where COTS UPS installed?

UL requires us to apply a 'UPS Voltage Present When Off' label for UL 508A mobile carts we build with a UPS installed.  Inspector considers it a safety violation if the label is not on the access panel or door. John John Cochran Compliance Manager

Re: [PSES] Ferrules

Panduit PAN_TERM with vinyl insulation is UL 94V-0, John Cochran Compliance Manager jcoch...@strongarm.com<mailto:jcoch...@strongarm.com> [https://strongarm.com/strongarm-designs-logo.png]<https://strongarm.com> Industrial workstations and mountings for the frontline workforce

Re: [PSES] Removable door panel grounding

but maybe consider ground studs at opposite corners so it has little slack when closed but allows the panel to be set aside without disconnecting the ground. John Cochran jcoch...@strongarm.com<mailto:jcoch...@strongarm.com> 215-443-3400 x219 From: Stultz, Mark <0f79f

Re: [PSES] Ground Bond Tests

I feel more assured of the grounding on a system when we use our 25A Ground Bond Tester, but we only have one for engineering purposes. We have never been required to do Ground Bond testing, only Ground Continuity. John Cochran jcoch...@strongarm.com<mailto:jcoch...@strongarm.com> 215-443-3

Re: [PSES] Tamper-proof Hardware

I interpret Supplimental Safeguards are additional to the Basic Safeguards. The basic safeguards are minimum requirements and supplemental safeguards are not required. From: Robert Johnson [mailto:john...@itesafety.com] Sent: Saturday, April 06, 2019 4:27 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subje

Re: [PSES] Looking for a UL rated screw connector

Panduit PNLC-1/0-3 is really a UL Listed splice for 2 wires. John Cochran Strongarm Energy Division STRONGARM Designs Ph: 215-443-3400 x219 -Original Message- From: Jon Keeble [mailto:j...@wattwatchers.com.au] Sent: Monday, September 25, 2017 4:06 PM To: EMC-PSTC@LISTSERV.IEEE.ORG

[PSES] Wireless Regulatory Engineer position

Schumacher Talent Coordinator Electronic Search, Inc. 847-506-2494 dschumac...@electronicsearch.com<mailto:dschumac...@electronicsearch.com> www.electronicsearch.com<http://www.electronicsearch.com/> 5105 Tollview Drive Suite 245 Rolling Meadows, IL 60008 John Cochran Strongarm Energy Divi

[PSES] Internal connection labels in 220VAC systems

use. Do I have an argument that the NRTL has made an incorrect assessment? Thanks, John Cochran Strongarm Energy Division STRONGARM Designs 423 Sargon Way, Horsham, PA 19044 Ph: 215-443-3400 x219 Fax: 215-443-3002 jcoch...@strongarm.com<mailto:jcoch...@strongarm.

[PSES] Low Power exemption for ATEX / IECEx

have experience with certifying a higher wattage CPU module for international hazardous locations? Thanks, John Cochran STRONGARM Designs - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list

Re: [PSES] EMC test lab, New York

Relif Testing Laboratories is the EMC lab I use. They have a lab in Ronkonkoma, NY. Retlif is fully accredited to ISO-STD-17025 and maintains such listing as, FCC recognized, VCCI listed, and EU CAB designated all to insure global acceptance of their test data. John Cochran STRONGARM Designs

Re: [PSES] Encapsulation for Creepage & Clearance

-240VAC power supply is 1.0 mm. My understanding is creepage is not considered, if conformal coating or encapsulation is used. Is this correct? John Cochran STRONGARM Designs 425 Cardean Drive, Horsham, PA 19044 Ph: 215-443-3400 x219 Fax: 215-443-3002 jcoch...@strongarm.com<mailto:jc

[PSES] Encapsulation for Creepage & Clearance

-240VAC power supply is 1.0 mm. My understanding is creepage is not considered, if conformal coating or encapsulation is used. Is this correct? John Cochran STRONGARM Designs 425 Cardean Drive, Horsham, PA 19044 Ph: 215-443-3400 x219 Fax: 215-443-3002 jcoch...@strongarm.com<mailto:jc

Re: [PSES] UL 1740 - Wet Locations vs Outdoor

I have a product being reviewed for compliance, a computer/display for use in outdoor environments, and UL/CSA/IEC 60950-22 was said to apply. John Cochran STRONGARM Designs Ph: 215-443-3400 x219 From: Doug Powell [mailto:doug...@gmail.com] Sent: Thursday, November 20, 2014 12:51 PM To: EMC

Re: [PSES] UL 60950-1 clause 2.2.3

the enclosure when the PE ground is broken. Are there any opposing opinions? John Cochran STRONGARM Designs 425 Caredean Drive Horsham, PA 19044 PHONE: 215-443-3400 X193 FAX: 215-443-3002 -Original Message- From: John Woodgate [mailto:j...@jmwa.demon.co.uk] Sent: Monday, September 08

Re: [PSES] UL 60950-1 clause 2.2.3

the voltage difference under a single fault must not exceed 30 V ac, without any mention of current. Am I reading this correctly? John Cochran STRONGARM Designs 425 Caredean Drive Horsham, PA 19044 PHONE: 215-443-3400 X193 FAX: 215-443-3002 From: Richard Nute [mailto:ri...@ieee.org] Sent: Friday

[PSES] UL 60950-1 clause 2.2.3

From: John Cochran Sent: Friday, September 05, 2014 3:47 PM To: 'emc-p...@ieee.org' Subject: UL 60950-1 clause 2.2.3 I am doing compliance testing on an outdoor computer/display and am having problems with complying with clause 2.2.3 of UL 60950-1 and clause 6.2 of UL 60950-22. When

Are ATEX, IEC and UL Zone classifications equivalent?

? John Cochran Compliance Engineer Strongarm Designs - This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. Website: http://www.ieee-pses.org/ To post a message to the list, send your e