Engineering Resources

Engineering Web Sites:

• ROOT - An amazing data analysis package

• Ontario Hydro's Electrical Safety Authority & Inspections Web site
• CE Mark: FAQ on the Low Voltage Directive
• BSI Catalog on CE related documentation
• U.K. IEE.org - Electrical and Associated Engineering and Safety Standards
• U.K. resource catalog of British and International standards
• International Electrotechnical Commission
• CENELEC - European Committee for Electrotechnical Standardization

• EEVL - Edinburgh Engineering Virtual Library

• Electronic Relays - Backgroundeeeel for Safe Design Design Practices
• Article on Selecting, Derating and Protecting Relays

• Fuseology
• Bussman site's fuse-ology section
• Littelfuse site's fuse-ology and other reference materials
• Gould-Shawmut Resources Page

• Trane Company - Short Circuit Withstand Ratings Demystified

• Example of symmetric fault current calculation
• Example of unsymmetric fault current calculation

• Introducing Ground-Fault Loop Impedance Testing
• Circuit Grounds and Grounding Practices (University of Pennsylvania EE Tutorial)
• GROUND FAULT PROTECTIVE SYSTEM - NEC requirements, principles of operation, sensor types, etc.
• OSHA - Ground-Fault Protection on Construction Sites

• Telematic's Lightening & Surge Protection, Earthing Guide
  • Telematic PDF Guide Download Area

• Electricians' Toolbox - informative site
• www.electrician.com - good site with practical information!
• www.codecheck.com's Q&A Page (NEC centric)
• EC&M's Electrical Q&A

• The PLC Tutor site

• Siemen's On-Line STEP 2000 courses
  • PDF Versions of some of the Siemen's On-Line Step 2000 courses

• Tomi Engdahl's Power Supply Page

• Transformer Questions & Answers

• DC Motor Troubleshooting & Diagnostics
• Motors - Basics, Installation, Maintenance & Troubleshooting

• Sci.Electronics.Repair FAQ
• SUMMIT's Electrical Reference Book, Updated for the 1999 NEC
• Electrical Designer's Reference Site (requires cookies)
• Don Klipstein's Web Site! - Lighting (all types), Lasers, High Voltage, etc.
• Silicon Sam's Technology Resource Page
• Silicon Sam's Amazing Bookmark List - FAQs, references, electronics, repair, everything!
• University of Washington's Circuit Archive

• Oregano - Graphical Interface to Spice

• Swedish Engineering Database Service

• IEEE Internet Computing Online
• Computing in Science & Engineering - On-line Journal
• Engineering E-journal Search Engine--EEVL

• Engineer on a disk!
• Plant Maintainenance Reference Library - You name it, it's covered!
• Common Symbology In Pneumatics
• Fred's Web Site: Engineering and Design Resources

• Chemical Engineering Resource Site
• Chemistry Software and Information Resources
• Articles on Valves and Control Valves

• The International Society for Optical Engineering
• OPTICS.ORG

• Civil Engineering Resource Site
• Civil Engineering Library

• Finite Element Modeling Continuous Improvement (FEMCI) Book Page
• The FEMCI Homepage
• SLFFEA stands for San Le's Free Finite Element Analysis

• Cactus is an open source problem solving environment designed for scientists and engineer

• A pre-College guide to Engineering

Process Measurement & Instrumentation Information:

• Iceweb's A Practical Overview of Level Continuous Measurement Technologies
• OMEGA's Transactions in Measurement & Control series - Excellent Resource!
• Omega.com's Level and Flow Measurement Orientation

Supplier Web Sites:

• Thomas Regional Register
• Suppliers and Manufacturers of Process Measurement & Control and Electrical Equipment (Canadian Site)

  Building Lighting Suppliers:

• Holophane
  • Holophane Ballast Basic Reference Manual

  Building Automation Suppliers:

• WWW.AUTOMATEDBUILDINGS.COM's links to suppliers, instrumentation, equipment, etc.

  HVAC Suppliers:

• HVAC WebTech - Resource Site, Forums, Supplier Directory, Calculators...
• Belimo Actuators for HVAC Systems

  Valve & Valve Actuator Suppliers

• Worcester Controls - Valves, Actuators and Controls

• Eurotherm
  • Eurotherm - Communications Wiring -- EIA-232, EIA-422, and EIA-485
  • Eurotherm - Instrument Communications

  Instrumentation and Sensor Suppliers

• Good SensorMag article on current measurement/sensing

• Enercorp - Current Switches, temperature, humidity, pressure, etc.

• Greystone Current Switch, HVAC sensors, etc.

• Dresser Instrument

• Ashcroft Pressure Switches

• OMEGA - Pressure, Flow, Level and Valve Applications

• Rosemount - pressure/level/flow/etc. instrumentation

• Magnetrol - Level & Flow Measurment Instruments
  • Magnetrol - 91S Series Level Probe

• Leighton Stone Corp. : valves, guages, transmitters, controllers, recoders, switches, etc.

• Kele Process Equipment & Electronics
  • Kele Technical Reference Page - good technical info!

• Dwyer Instruments - Pressure, Flow, Level and Valve Applications
  • Dwyer Pressure Transmitter

• MKS Instruments (mass flow controllers and other intrumentation)

• Aalborg Instruments (mass flow controllers and other intrumentation)

  Bubbler Level Probe Articles:

• State of the Art Water Analysis Journal - Modern Bubbler Design/Use article
• Case History - Canal Measurment using a remote bubbler level guage

• Iceweb's A Practical Overview of Level Continuous Measurement Technologies

• Energy Conservation Supply - Warrick Liquid Level Control Systems
• Warrick Level Control Systems - Selection Guide

• Milltronics Level Measurement Company - Home Page
  • Milltronics Ultrasonic System Level Monitors
  • Milltronics ST, LR and ST-H Level Transducers
  • Milltronics - Phone Numbers & Address

  Radiation Monitoring:

• Eberline Instruments

  General Electrical Part Supply/Distribution

• Thomas & Betts (Catalog, Technical Info', etc.)

  Wire and Cable Suppliers:

• Westburn/Nedco List of Cable and Wire Suppliers
  • Belden Cable
  • Rome Cable Corporation
  • Alcatel - Canada Wire Teck 90 Cable
  • Southwire
  • Mogami Japanese Wire Co. - Wire Guage/Property Calculator

  Terminal Block Product Suppliers

• Phoenix Contact
• Phoenix Contact's PLC-Relay.com
• Weidmuller Canada
• Entrelec
• Grafoplast Wire Markers - crimp on ferule type

  Electrical Panels & Associated Equipment

• Hammond Manucturing - Panels, Transformers, - online catalog and .dxf files
• Hoffman Panels

  Transformers:

• Olsun Electronics Corp.

  Industrial Control Power Supplies & Power Conditioning

• Sola/Hevi-Duty Power Supplies, Transformers, UPS, etc.
• IBus/Phoenix power conditioning systems

• ABB (Westinghouse) FT-Switch Assembly

• GE Multilin PQM Power Quality Meter

  Automated Power Transfer & Bypass Switchgear

• ASCO Power Technologies
  • ASCO's overview of ATS standards and issues for specifying equipment
  • ASCO on-line catalog of Automated Transfer Switches
  • ASCO 962 series automatic transfer and bypass-isolation switches

  Alarm Horn & Lights and other Signal Mechanism Suppliers

• Edwards Signalling - Adapta Horn, etc.

• Pipe Line Heating, Leak Detection, Cathodic Protection, etc.
  • Perma-Pipe

• Allen Bradley & Rockwell Automation Web Sites (Uses cookies)
  • Allen-Bradley's Home Page
  • Allen-Bradley's Manual Page
  • Allen-Bradley's Support Page
  • Allen-Bradley Software Support Page (Knowledgebase)

• Schneider Electric
  • Schneider Electric - Canada Home Page
  • Schneider Catalog - Industrial Products
  • Square D
  • Square D's Digest Plus Selector
  • Square D's I-Line Panelboards