Electrical Drawings and Schematics

Electrical Drawings and Schematics Training - Click Here For Your FREE On-Site Training Quotation
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  • Occupational Health and Safety Act and Regulations
  • Provincial Regulations
  • CSA Standard Z460 Control of Hazardous Energy
  • CSA Standard Z432 Safeguarding of Machinery
  • CSA Standard Z142 Code for Power Press Operations
  • Canadian Electrical Code 2006
  • NPFA 70E
  • Manufacturers Standards
  • Company Policy, Procedures and Practices

  • create a block map of the installed equipment
  • transfer the information to the one line diagram
  • verify electrical prints and make changes to existing diagrams
  • create and maintain regulatory compliant electrical diagrams

In order to comply with the above-mentioned regulations, complete and up to date electrical single line diagrams and equipment operating and control schematics must be made available in the work place. These important documents are required to be updated as necessary or as equipment changes or is modified and sometimes verified on an annual basis. In addition, this two-day program is designed to provide knowledge of the various types of electrical diagrams used in the industry, and to develop the skills necessary to read, draw and interpret these diagrams.


This two-day seminar is designed to prepare electrical personnel with the ability to read and understand the electrical diagrams, recognize equipment and verify the integrity of the existing schematics. Participants will be introduced to electrical symbols, one-line and three-line electrical schematics and their content, including basic layout and legends. Participants will participate in practical exercises in schematic reading, diagram verification and the steps required for creating and maintaining accurate one line diagrams. Participants are encouraged to bring examples of their own facility's prints to use during practical exercises. Low, medium and high-voltage installations can be reviewed as requested by participants.


Electrical technicians, field engineers, project managers, inspectors, contractors, and journeyman electricians who depend on effective skills and knowledge required in this ever changing fast pace electrically driven environment.

With your forum participation you will receive the following:
  • FREE Electricity Forum 2007 Electrical Testing & Measurement Handbook Volume 7 (Value $35.00)
  • $100 Coupon Toward any Future 2007 Electricity Forum Event (Restrictions Apply)
  • 1.4 Continuing Education Unit (CEU) Credits
  • FREE Magazine Subscription (Value $45.00)
  • Forum Presentations in Paper Format
  • Register Three, Get One FREE (Details in the Registration details below)


Jim Anderson, Algonquin Power Systems
Jim Anderson began work in the Electrical Power Production industry in 1976 with the Canadian Armed Forces. He studied under the direction of the Canadian Armed Forces School of Military Engineering in Chilliwack, British Columbia. He has installed and commissioned power generating and supply services across Canada including the High Arctic. In addition Jim has provided electrical services for Tembec, Inco, Honeywell and Black and McDonald throughout his 30 years of service in the industry.

Course Duration: 2 Days


8:00 a.m. - 10:00 a.m.
How do the regulations apply and what do we need to know?
  • Occupational Health and Safety Act and Regulations
  • Provincial Regulations
  • CSA Standard Z460 Control of Hazardous Energy
  • CSA Standard Z432 Safeguarding of Machinery
  • CSA Standard Z142 Code for Power Press Operations
  • Canadian Electrical Code 2006 Changes
  • NPFA 70E
  • Manufacturers Standards
  • Company Policy, Procedures and Practices

10:00 a.m.-10:15 a.m. - Coffee Break

10:15 a.m. - 12:00 noon
  • What is the purpose of the legend, and
  • What information can be found in the legend?
Electrical Symbols
  • Review of standard symbols, and
  • Symbol identification and meaning.
Basic layout
  • Familiarization with the layout of different schematics and one line diagrams
Practical exercise using example prints
  • Participants will participate in practical exercises and skills demonstrations of symbol identification and meaning, basic information location and schematic diagram layout.

12:00 noon - 1:00 p.m. - Lunch

1:00 p.m. - 2:30 p.m.
  • What are schematics used for and why are they necessary
DC voltage schematic
  • Introduction, familiarization and review of:
    - Series circuits,
    - Parallel circuits, and
    - Series/parallel circuits.
Single-Line Diagram
  • Purpose of a single line,
  • Equipment identification, and
  • Hazardous energy control.

2:30 p.m. - 2:45 p.m. - Coffee Break

2:45 p.m. - 4:00 p.m. (approx.)
AC voltage schematic
  • Equipment identification, and
  • Trouble shooting and fault finding.
Three-Line Diagram, and
Practical exercise using elementary diagrams
  • Participants will participate in practical exercises and skills demonstrations on the identification of circuits, and the uses of single-line, AC schematic and three line diagrams.

8:00 a.m. - 12:00 noon
  • Regulation compliance,
  • Site familiarization,
  • Equipment identification and inventory,
  • Nomenclature verification,
  • Preparing a block diagram,
  • Interconnecting the equipment,
  • Verification of accuracy, and
  • Practical exercise
    - Participants will participate in the development of a single line diagram using narrative information.

10:30 a.m.-10:45 a.m. - Coffee Break
2:00 noon - 1:00 p.m. - Lunch

1:00 p.m. - 2:30 p.m.
  • Effective trouble shooting approach
Evaluating and assessing the fault
Mapping a solution
  • Task identification
Identifying the hazards
  • Introduction to Job Hazard Analysis
Practical exercise using schematics
  • DC circuits
  • AC single phase circuits
  • AC three phase circuits

2:30 p.m. - 2:45 p.m. - Coffee Break

3:00 p.m. - 4:30 p.m.
  • Review of course highlights
  • Questions and Answers
  • Closing Remarks.

4:30 p.m.(approx.) - ADJOURNING

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