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Arc Flash University: Safe Use
of Electrical Testing Devices
Sponsored by:
Today’s Webcast Sponsor
• Bob LoMastro
MS, CSM-WSO,
President, LoMastro & Associates, Inc.
• Bob Vavra
Content Manager and Moderator,
Plant Engine...
Electrical Safe Work Practice
Safe Use of Electrical Testing Devices
LoMastro & Associates, Inc. 847-566-6766
Presented by...
Course Objectives
Upon completion of this webcast the student will be able to:
Note: Every meter is different, this webcas...
All of the hazards aren’t electrical
Electrical Test Meters
Used for a wide variety of different types of tests.
Multimeters are commonly used to test voltage ...
Selection of Testing Equipment
Note: Always refer to the owner's manual for the specific
use, limits and controls of your ...
Multimeters
Note: Always refer to the owner's manual for the
specific use, limits and controls of your meter.
Solenoid Testers
Note: Always refer to the owner's manual for the
specific use, limits and controls of your meter.
On 07-3...
Amp meters
Note: Always refer to the owner's manual for the
specific use, limits and controls of your meter.
Meter Category Ratings
Approved for electronics only
IEC 61010
UL 61010-1
Canadian
Standards
Association
Underwriters
Laboratories
European
German
Equipment Listing/Labeling
Double Insulated
Destructive Level Testing
Pre-test Hazard Assessments
Performed by “Qualified Individuals” only
Clothing, Gloves & Tools
Always refer to the owner's manual for specific instructions and limits for your meter
Inspect Your Meter & Accessories
Which meter offers the widest variety
of testing options?
 Multi meter
 Clamp meter
 Voltage indicator
 Wiggins tester
What category of meter must be used
for distribution systems?
 I
 II
 III
 IV
Which agencies provide listing or approval
for electrical equipment?
 UL
 OSHA
 ANSI
 CSA
Performing Tests with a Multi-meter
Voltage Testing
 Correct meter setting
 Probes properly placed
 Equipped for live work
Voltage Test in Panelboard
Current Tests
 Correct meter setting
 Probes properly placed
 Equipped for live work
In-line Current Testing
Clamp-on Current Testing
Continuity Testing
 Correct meter setting
 Probes properly placed
 Verified electrically safe
Motor Resistance Testing
VFD Resistance Testing
Cord/Plug Resistance Testing
What resource provides guidance on the
proper clothing and clearance distances to
perform safe electrical work?
 ANSI Z87...
When must a meter be verified to assure that
it is functioning properly?
 After the test
 It worked fine earlier in the ...
Information on the hazard assessment for
each piece of equipment may be found…
 In the OSHA manual
 In NFPA 70E
 Who ca...
Dielectric gloves are only required when?
 Only when performing an amperage test
 When I feel like wearing
 For any tas...
Ultimately, what determines whether or not
a person is qualified to perform electrical
testing? (trained, authorized, and ...
Proper PPE must be worn during the
lockout verification process
 True
 False
A circuit is considered energized until…
 You ensure the breaker is off
 The equipment does not turn on
 It has been pr...
Employee training should be ongoing.
NFPA 70E requires retraining:
 If the annual inspection identifies noncompliance,
 ...
• Only workers qualified by their employer can perform electrical testing;
(Trained – Authorized - & Properly Equipped)
• ...
Bob LoMastro has been a safety
consultant and trainer for over 30
years. He was an army Combat
Engineer and Special Forces...
• Bob LoMastro
MS, CSM-WSO,
President, LoMastro & Associates, Inc.
• Bob Vavra
Content Manager and Moderator,
Plant Engine...
Thanks Today’s Webcast Sponsor
Arc Flash University: Safe Use
of Electrical Testing Devices
Sponsored by:
Arc Flash University: Safe Use of Electrical Testing Devices
Arc Flash University: Safe Use of Electrical Testing Devices
Arc Flash University: Safe Use of Electrical Testing Devices
Arc Flash University: Safe Use of Electrical Testing Devices
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Arc Flash University: Safe Use of Electrical Testing Devices

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Electrical safety has become a high priority due to the increasing numbers of electrical injuries, deaths and arc flash/arc blast incidents. One of the most common causes of these incidents is the misuse or use of damaged electrical testing devices.

This Arc Flash University Webcast on Thursday, Oct. 24 at 2 p.m. EDT, will explore the types of testing devices available for electrical testing and the proper precautions to assure electrical safety in the workplace.

Topics include:
-Proper meter selection
-Meter inspection
-Hazard assessment
-Personal protective equipment
-Safe testing procedures

Published in: Education, Business
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Arc Flash University: Safe Use of Electrical Testing Devices

  1. 1. Arc Flash University: Safe Use of Electrical Testing Devices Sponsored by:
  2. 2. Today’s Webcast Sponsor
  3. 3. • Bob LoMastro MS, CSM-WSO, President, LoMastro & Associates, Inc. • Bob Vavra Content Manager and Moderator, Plant Engineering Speakers
  4. 4. Electrical Safe Work Practice Safe Use of Electrical Testing Devices LoMastro & Associates, Inc. 847-566-6766 Presented by Bob LoMastro Developed by Wes Van Huss
  5. 5. Course Objectives Upon completion of this webcast the student will be able to: Note: Every meter is different, this webcast is designed as an overview of electrical testing equipment. Always refer to the owner's manual for the specific use, limits and controls of your meter. •Determine the hazards associated with electrical testing •Select the correct type of electrical tester for the task assigned •Properly inspect the meter prior to use for damage •Verify the meter is working properly before and after testing •Know where to go to determine the correct PPE for the task.
  6. 6. All of the hazards aren’t electrical
  7. 7. Electrical Test Meters Used for a wide variety of different types of tests. Multimeters are commonly used to test voltage (AC and DC), current (AC and DC), resistance, temperature, frequency and checking diodes.
  8. 8. Selection of Testing Equipment Note: Always refer to the owner's manual for the specific use, limits and controls of your meter.
  9. 9. Multimeters Note: Always refer to the owner's manual for the specific use, limits and controls of your meter.
  10. 10. Solenoid Testers Note: Always refer to the owner's manual for the specific use, limits and controls of your meter. On 07-31-2003, the Consumer Product Safety Commission (CPSC) published a recall regarding Ideal Solenoid Voltage Testers due to a potential burn hazard. Model numbers 61-065, 61-066, 61-067, 61-076, 61-079, and 61-080
  11. 11. Amp meters Note: Always refer to the owner's manual for the specific use, limits and controls of your meter.
  12. 12. Meter Category Ratings Approved for electronics only IEC 61010 UL 61010-1
  13. 13. Canadian Standards Association Underwriters Laboratories European German Equipment Listing/Labeling Double Insulated
  14. 14. Destructive Level Testing
  15. 15. Pre-test Hazard Assessments Performed by “Qualified Individuals” only
  16. 16. Clothing, Gloves & Tools
  17. 17. Always refer to the owner's manual for specific instructions and limits for your meter Inspect Your Meter & Accessories
  18. 18. Which meter offers the widest variety of testing options?  Multi meter  Clamp meter  Voltage indicator  Wiggins tester
  19. 19. What category of meter must be used for distribution systems?  I  II  III  IV
  20. 20. Which agencies provide listing or approval for electrical equipment?  UL  OSHA  ANSI  CSA
  21. 21. Performing Tests with a Multi-meter
  22. 22. Voltage Testing  Correct meter setting  Probes properly placed  Equipped for live work
  23. 23. Voltage Test in Panelboard
  24. 24. Current Tests  Correct meter setting  Probes properly placed  Equipped for live work
  25. 25. In-line Current Testing
  26. 26. Clamp-on Current Testing
  27. 27. Continuity Testing  Correct meter setting  Probes properly placed  Verified electrically safe
  28. 28. Motor Resistance Testing
  29. 29. VFD Resistance Testing
  30. 30. Cord/Plug Resistance Testing
  31. 31. What resource provides guidance on the proper clothing and clearance distances to perform safe electrical work?  ANSI Z87  NFPA 70E  OSHA 1910  NIOSH
  32. 32. When must a meter be verified to assure that it is functioning properly?  After the test  It worked fine earlier in the day  Before and after the test (live – dead – live)  Prior to the test
  33. 33. Information on the hazard assessment for each piece of equipment may be found…  In the OSHA manual  In NFPA 70E  Who cares, it’s all the same  On a detailed label found on the equipment
  34. 34. Dielectric gloves are only required when?  Only when performing an amperage test  When I feel like wearing  For any task where the risk of shock exists  Only when performing a voltage test
  35. 35. Ultimately, what determines whether or not a person is qualified to perform electrical testing? (trained, authorized, and properly equipped)  The worker has lots of experience  The employee decides  Only the employer can decide  They’ve taken Bob’s class
  36. 36. Proper PPE must be worn during the lockout verification process  True  False
  37. 37. A circuit is considered energized until…  You ensure the breaker is off  The equipment does not turn on  It has been proven de-energized by a contact test  A voltage indicator has been used and it does not light up
  38. 38. Employee training should be ongoing. NFPA 70E requires retraining:  If the annual inspection identifies noncompliance,  When new equipment, technology or procedures are introduced,  Unusual work practices are required and  At least every 3 years. Electrical Safe Work Practices Training Electrical Meter Safety Oct 24, 2013 Bob Vavra
  39. 39. • Only workers qualified by their employer can perform electrical testing; (Trained – Authorized - & Properly Equipped) • Determine the hazards for each task before electrical testing; • Only use the correct type/rating of electrical tester for the task assigned; • Inspect the meter prior to each use for damage; • Verify the meter is working properly before and after testing; (Live-Dead-Live Testing) • Always wear the correct PPE and use the proper tools for the task. • Remember, it’s live until you prove otherwise!!!! Summary
  40. 40. Bob LoMastro has been a safety consultant and trainer for over 30 years. He was an army Combat Engineer and Special Forces Demolition Expert, a navy Hospital Corpsman and the supervisor of the National Safety Council's Training Institute. He started LoMastro & Associates (LMA) in 1992 and provides a wide variety of safety training services and program development for every type of environment and makes training both informative and fun. LMA teaches most OSHA courses, OSHA Education Center Courses, custom training and keynote safety presentations. LoMastro & Associates, Inc. 847-566-6766 Website: Safetywizard.com E-mail: Safetywiz2@aol.com
  41. 41. • Bob LoMastro MS, CSM-WSO, President, LoMastro & Associates, Inc. • Bob Vavra Content Manager and Moderator, Plant Engineering Speakers
  42. 42. Thanks Today’s Webcast Sponsor
  43. 43. Arc Flash University: Safe Use of Electrical Testing Devices Sponsored by:

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