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Electrical Safety Practical Skills
Description
The most popular course that is taken after our essential two-day NFPA 70E/Arc Flash Electrical Safety course is this additional third-day course: Electrical Safety Practical Skills. Review current OSHA standards that apply to your facility and the effects of the NFPA 70E standards on your low to high voltage areas. Learn how to keep your environment safe with proper personal protective clothing during grounding and switching of electrical equipment. Learn about electrical hazards in switch gear rooms, as well as safe switching procedures and documentation of electrical equipment.
This course is most commonly taken after this introductory course: NFPA 70E / Arc Flash Electrical Safety
Agenda [download course agenda]
Training requirements for electrical employees
- Training requirements for over 1000 volts
- Qualified person vs. Licensed person vs. Experienced person
- Definition and examples of high voltage
- Retraining of employees to ensure compliance
- Supervisor’s duties in the overall training requirements
- OSHA 1910.269 and 1910.331-335
- Determine when OSHA considers a facility a utility under 1910.269
- Apply NFPA 70E to high voltage systems
Electrical hazards in switchgear rooms
- Required guarding and labeling of high voltage enclosures and rooms
- Hazards of opening enclosures to check components
Minimum approach for over 600 volts
- Shock and flash boundaries for over 600 volts
- Evaluations of posted arc flash labels
- Determine boundaries if no label is applied
Safe electrical work practices
- Apply 1910.331-335 to over 600 volts
- Compare job plans to job briefings to ensure safety
- Utilize energized electrical permits
Safe switching procedures and documentation of electrical equipment
- Switching procedure vs. LO/TO procedures
- When is personnel protective grounding mandated?
- Safe procedures for re-energizing equipment
- Removing and re-installing (racking in and out) of draw out type circuit breakers
- Visual indicators to ensure position of breaker in cubicle
Applying the two-person rule
- When OSHA mandates a safety watch/work person
- Advantages of always having someone to stand by
Proper PPE for switching and clearance duties
- ATPV switching jackets & hoods rated 40 cal/cm2 and higher
- Requirements when sharing PPE
- Field verification of functionality and protection
- Protection from occupational diseases
Documenting the job plan Selecting and using test
Equipment to ensure absence of voltage
- Use and care of proximity testers
- Three point test method
How to inspect and test protective equipment
- Visual inspection of PPE and test equipment
- Field testing the test equipment to ensure proper function
- Document the test results
- Mandated testing intervals and re-certification of PPE and test equipment
Proper sizing, inspecting and installing of grounding clusters
- Review the various styles of grounding heads
- Right tool for the right job
- Personnel grounding conductor sizing for fault current
- Install grounding clusters
- Testing and maintenance requirements for personnel grounding sets
Care and proper body positioning when handling live line tools
- Proper use of hot sticks
- Proper cleaning and storing of all test equipment and PPE
- Body English for switching
- Reviewing/updating the job plan and procedures for maximum safety