This document provides a summary of an expert presentation on NFPA 70E electrical safety standards. The presentation covers key topics including safety work practices, arc flash analysis, shock protection boundaries, arc flash boundaries, hazard risk categories, energized work permits, and personal protective equipment requirements. The document defines important terms, outlines employer and employee responsibilities for electrical safety, and summarizes requirements for establishing electrically safe work conditions, risk assessments, training, and selecting personal protective equipment to safely perform energized electrical work.
Regards, Mr. SYED HAIDER ABBAS
MOB. +92-300-2893683 MBA in progress,NEBOSH IGC, IOSH, HSRLI, NBCS,GI,FST,FOHSW,ISO 9001, 14001,
'BS OHSAS 18001, SAI 8000, Qualified .
Be familiar with the fundamental concepts of electricity.
Be familiar with the effects of electricity on the human body.
Be able to recognize common electrical hazards.
Regards, Mr. SYED HAIDER ABBAS
MOB. +92-300-2893683 MBA in progress,NEBOSH IGC, IOSH, HSRLI, NBCS,GI,FST,FOHSW,ISO 9001, 14001,
'BS OHSAS 18001, SAI 8000, Qualified .
Be familiar with the fundamental concepts of electricity.
Be familiar with the effects of electricity on the human body.
Be able to recognize common electrical hazards.
Complete Guide to Electrical Safety in the Workplacehudsonelectrical
The National Safety Council indicates that electrical hazards cause nearly one workplace fatality every day. Therefore electrical safety is especially important in the workplace. In this presentation here is a complete guide to workplace electrical safety. Visit: hudsonelectricalnb.com.au
Electric shock is the effect produced on the body and particularly on the nervous system by an electrical current passing through it. The effect depends on the current strength which itself depends on the voltage and body resistance.
Failing to take the necessary precautions can lead to:
- injury or death
- fire or property damage
Common causes of electrocution are:
- Making contact with overhead wires
- Undertaking maintenance on live equipment
- Working with damaged electrical equipment - extension leads, plugs and sockets
- Using equipment affected by rain or water ingress
There are four main types of electrical injuries:
-Electrocution (death due to electrical shock)
-Electrical Shock
-Burns
-Falls
An arc flash happens when electric current flows through an air gap between conductors.
ARC BLAST
• Arc-blasts occur from high- amperage currents arcing through the air.
This can be caused by accidental contact with energized components or equipment failure.
• A DANGEROUS PRESSURE WAVE
• A DANGEROUS SOUND WAVE
• SHRAPNEL
• EXTREME HEAT
• EXTREME LIGHT.
ELECTRIC CURRENT
• Caused by the motion of electrons
• If channeled in a given direction, a flow of electrons occurs.
Severity of the shock depends on:
Path of current through the body
Amount of current flowing through the body Length of time the body is in the circuit
Electrical Commissioning and Arc-Flash Safety presentationMichael Luffred
Electrical Commissioning and Arc Flash Safety training presentation given November 21, 2013. Mike Luffred presented this information as a technical seminar for the National Capital Chapter region (PA/NJ/DE/VA/MD/DC) of the Building Commissioning Association. The presentation was given at the Eaton Experience Center in Warrendale, PA to help commissioning engineers understand the importance of arc flash safety in the industry.
How to work safely while working with electricity or electrical equipment. what are the safety rules to be followed? what is the safe system of work while working on electrical equipment. what kind of safety components to be used in place?
High Voltage Electrical Compliance and Safety Operating ProceduresLiving Online
Employees performing operations and maintenance work on high voltage electrical transmission and distribution systems are exposed to a greater hazard than most other employees. In industry the majority of safety rules and regulations originated from the painful experience of workers who suffered serious injuries or even death. Therefore, rules should not be seen as a means of limiting our freedom, but should rather be looked upon as valuable advice to ensure safe working conditions. This training workshop covers the basic procedures in working safely on high voltage systems including the aspects of safety management and safety auditing.
The workshop aims to impart a thorough overall knowledge of working safely on high voltage installations and the various related topics including:
Safety legislation
Electrical hazards and safety management
Technical aspects of electrical safety
Safety in operation and maintenance
Importance of periodic inspection of electrical installations for ensuring safety
Safety audits to detect shortcomings
The workshop will include hands-on practice in safety documentation such as development of switching plans and electrical access permits of different types.
WHO SHOULD ATTEND?
Design engineers
Electrical operators
Maintenance technicians
Plant electrical engineers
Project engineers
Testing and commissioning engineers and technicians
MORE INFORMATION: http://www.idc-online.com/content/high-voltage-electrical-compliance-and-safety-operating-procedures-14
this is basic electrical safety power point lecture that too useful for principal training non-electrical workersprevent lectrocution accidents in work place
Complete Guide to Electrical Safety in the Workplacehudsonelectrical
The National Safety Council indicates that electrical hazards cause nearly one workplace fatality every day. Therefore electrical safety is especially important in the workplace. In this presentation here is a complete guide to workplace electrical safety. Visit: hudsonelectricalnb.com.au
Electric shock is the effect produced on the body and particularly on the nervous system by an electrical current passing through it. The effect depends on the current strength which itself depends on the voltage and body resistance.
Failing to take the necessary precautions can lead to:
- injury or death
- fire or property damage
Common causes of electrocution are:
- Making contact with overhead wires
- Undertaking maintenance on live equipment
- Working with damaged electrical equipment - extension leads, plugs and sockets
- Using equipment affected by rain or water ingress
There are four main types of electrical injuries:
-Electrocution (death due to electrical shock)
-Electrical Shock
-Burns
-Falls
An arc flash happens when electric current flows through an air gap between conductors.
ARC BLAST
• Arc-blasts occur from high- amperage currents arcing through the air.
This can be caused by accidental contact with energized components or equipment failure.
• A DANGEROUS PRESSURE WAVE
• A DANGEROUS SOUND WAVE
• SHRAPNEL
• EXTREME HEAT
• EXTREME LIGHT.
ELECTRIC CURRENT
• Caused by the motion of electrons
• If channeled in a given direction, a flow of electrons occurs.
Severity of the shock depends on:
Path of current through the body
Amount of current flowing through the body Length of time the body is in the circuit
Electrical Commissioning and Arc-Flash Safety presentationMichael Luffred
Electrical Commissioning and Arc Flash Safety training presentation given November 21, 2013. Mike Luffred presented this information as a technical seminar for the National Capital Chapter region (PA/NJ/DE/VA/MD/DC) of the Building Commissioning Association. The presentation was given at the Eaton Experience Center in Warrendale, PA to help commissioning engineers understand the importance of arc flash safety in the industry.
How to work safely while working with electricity or electrical equipment. what are the safety rules to be followed? what is the safe system of work while working on electrical equipment. what kind of safety components to be used in place?
High Voltage Electrical Compliance and Safety Operating ProceduresLiving Online
Employees performing operations and maintenance work on high voltage electrical transmission and distribution systems are exposed to a greater hazard than most other employees. In industry the majority of safety rules and regulations originated from the painful experience of workers who suffered serious injuries or even death. Therefore, rules should not be seen as a means of limiting our freedom, but should rather be looked upon as valuable advice to ensure safe working conditions. This training workshop covers the basic procedures in working safely on high voltage systems including the aspects of safety management and safety auditing.
The workshop aims to impart a thorough overall knowledge of working safely on high voltage installations and the various related topics including:
Safety legislation
Electrical hazards and safety management
Technical aspects of electrical safety
Safety in operation and maintenance
Importance of periodic inspection of electrical installations for ensuring safety
Safety audits to detect shortcomings
The workshop will include hands-on practice in safety documentation such as development of switching plans and electrical access permits of different types.
WHO SHOULD ATTEND?
Design engineers
Electrical operators
Maintenance technicians
Plant electrical engineers
Project engineers
Testing and commissioning engineers and technicians
MORE INFORMATION: http://www.idc-online.com/content/high-voltage-electrical-compliance-and-safety-operating-procedures-14
this is basic electrical safety power point lecture that too useful for principal training non-electrical workersprevent lectrocution accidents in work place
What is arc flash? What are the legal requirements? What are the arc flash standards required in industry? Premium Power, an electrical engineering consultancy offers a checklist of what needs to be considered before carrying out work on or near live equipment
1. What is arc flash
2. OSHA, NFPA 70E
3. Codes and standards
4. Protective clothing and equipment
5. Prevention
An arc flash (or arc blast) is a type of electrical explosion that results from a low impedance connection to ground or another voltage phase in an electrical system
Even without electrocution, death or dismemberment may occur through an intense arc blast, up to 35,000 F deg, and force up to 2100 psi from the intense heat rapidly expanding the air, copper & particles creating a shockwave blast. Droplets of molten metal and shrapnel can penetrate the body.
Lockout/Tagout Training (Contractor Version)Panduit Safety
This training presentation targeted at Contractors and Electricians covers the importance of Lockout/Tagout as a form of mitigation, the necessary elements of an effective program for the control of hazardous energy along with the means of handling special cases within the program.
Five to 10 arc flash explosions occur in electric equipment every day in the United States. This number does not include cases in which the victim is sent to an ordinary hospital. Instead, these incidents are so severe the victims require treatment from a special burn center.
EDS Specializes in Arc Flash Training and Arc Flash Analysis, among many other training modules to provide training needed for todays electrical workers. EDS services can be provided nation wide. This document highlights our services.
Similar to Electrical Safety by Industrial Safety Institute (20)
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8. • A Safe Work Area requires focus on the three
most common factors for electrical accidents.
According to OSHA these include:
– Equipment
– Environment
– Employee Work Practices
8
9. • It is the Employer’s Responsibility to
Provide:
– Safe work – Equipment
– Safe work – Environment
– Safe work Practices
• Documentation
• Training
9
10. • It is the Employee’s responsibility to:
– Use the Equipment Provided
– Pay attention to the Environment
– Use the Safe Work Practices (procedures) Provided
by the Employer
10
11. Safe Electrical Work Practices
Shall be Used
• Avoid
– Shortcuts
– Cord and Plug
– Failure to de-energize
– Unsafe tools
– Horseplay
11
12. 90.2 Scope
Covered. The standard addresses electrical
safety related work practices safety-related
maintenance requirements, and other
administrative controls
• Covered (examples)
• Public and Private Premises (commercial & industrial)
• Installations
• Electric utilities for ALL facilities other than
communications, metering, generation, control,
transformation, transmission, or distribution
Informational Note
12
13. 90.3 Arrangement
Chapter 2 applies to safety-related maintenance
requirements for electrical equipment and
installations in workplaces
Informative Annex F, Risk Assessment Procedure
13
16. Definitions
• Boundary, Arc Flash
• Calculated for 2nd degree burn–1.2 cal/cm2
Boundary, Limited Approach. An approach
limit at a distance from an exposed energized
electrical conductor or circuit part within
which a shock hazard exists.
16
17. Definitions
Boundary, Restricted Approach. An
approach limit at a distance from an
exposed energized electrical conductor or
circuit part within which there is likelihood
of electric shock, due to electrical arc-over
combined with inadvertent movement, for
personnel working in close proximity to
the energized electrical conductor or circuit
part.
Note: Prohibited Approach has
been removed
17
19. 110.1 Electrical Safety Program.
General. Employer shall
document an overall electrical safety program
appropriate to the risk associated with electrical
hazards.
implemented as part of the electrical safety and
health program
Maintenance. The electrical safety program
shall include elements that consider condition
of maintenance of electrical equipment and
systems.
19
20. 110.1 Electrical Safety Program.
Awareness and Self-Discipline. The electrical
safety program shall
provide an awareness of the potential
electrical hazards
provide the required self discipline for all
employees
Instill safety principles and controls
20
21. 110.1 Electrical Safety Program.
Electrical Safety Program Procedures. An
electrical safety program shall identify the
procedures to be utilized before work is started
by employees exposed to an electrical hazard
21
22. 110.1 Electrical Safety Program.
Risk Assessment Procedure. An electrical
safety program shall include a
risk assessment procedure that addresses employee
exposure to electrical hazards.
shall identify the process to be used by the employee
before work is started to carry out the following:
Identify hazards, Assess risks, Implement risk control
according to a hierarchy of methods
22
23. 110.1 Electrical Safety Program.
Job Briefing. Before starting each job
Briefing shall cover
hazards associated with the job
work procedures involved
special precautions
energy source controls
PPE requirements
the information on the energized electrical work permit, if
required
Additional job briefings shall be held if changes occur during
the course of the work.
23
24. 110.2 Training Requirements
Type of Training
On the Job / Classroom or both
Emergency Response training
Contact Release
First Aid, Emergency response and Resuscitation
Trained in First Aid, Cardiopulmonary
Resuscitation(CPR), Automatic External Defibrillator
(AED)
Annual employer certification and documentation of
training required
24
25. 110.2 Training Requirements
Employee Training.
Qualified Person (cont.)
Skills to:
Make decisions for job planning and personal
protective equipment (PPE)
Perform the job safety planning, Identify electrical hazards,
Assess the associated rise
Select the appropriate risk control methods from the
hierarchy of controls identified in 110.1(G), including
personal protective equipment
25
26. 110.2 Training Requirements
Unqualified Person trained for their safety
Retraining
Retraining in safety-related work practices and
applicable changes in this standard shall be
performed at intervals not to exceed three years.
26
28. 120.2 – Application of Lockout/Tagout
Principles of Lockout/Tagout Execution
Retraining
Retraining shall be performed:
When procedures are revised
At intervals not to exceed 3 years
Training Documentation.
Employer shall document employee training
shall be made when employee demonstrates proficiency
shall contain the content of the training, employee’s name,
dates of training
28
30. 130.2 Electrically Safe Working Conditions
Energized Work
Normal Operations
Shall be permitted where all of the following conditions are
satisfied the equipment
is properly installed
is properly maintained
doors are closed and secured
All equipment covers are in place and secured
no evidence of impending failure
30
31. 130.2 Electrically Safe Working Conditions
Energized Electrical Work Permit
Energized electrical work permit shall be required in
accordance with 130.2(A), under the following conditions:
Work performed within the restricted approach boundary
Employee working near equipment not exposed but an
increased likelihood of injury from arc flash hazard exists
31
32. 130.3 Working While Exposed to Electrical
Hazards
General
Safety-related work practices shall
– be used to safeguard employees electrical conductors
and circuit parts
– be determined before exposure to shock or arc flash
hazard (using risk assessment)
– ONLY qualified persons permitted to work on energized
electrical conductors and circuit parts – put in electrically
safe work condition
32
33. 130.4 Approach Boundaries to Electrical Circuit
parts or Conductors for Shock Protection
Shock Risk Assessment.
A shock risk assessment shall be used to determine the
voltage to which personnel will be exposed
Boundary requirements
Necessary PPE
33
34. 130.4 Approach Boundaries to Electrical Circuit
parts or Conductors for Shock Protection
Shock Protection Boundaries
Limited Approach Boundary
Unless permitted by 130.4(C)(3)
Restricted Approach Boundary
Tables 130.4(D)(a) & (b)
34
35. 130.5 Arc Flash Risk Assessment
Documentation
Documentation required on all arc flash risk
assessment.
35
36. 130.5 Arc Flash Risk Assessment
Arc Flash PPE
– One of the following methods shall be used, either but
not both:
• Incident Energy Analysis Method
• Engineering calculations (Annex D)
• Arc Flash PPE Category Method
– Table 130.7(C)(15)
– Table 130.7(C)(16)
36
37. 130.7 Personal and Other Protective Equipment
Personal Protective Equipment (PPE)
Selection of Personal Protective Equipment When
Required for Various Tasks
Incident energy analysis required by 130.5(C)(1)
(AC equipment) When selected in lieu of the incident
energy analysis of 130.5(C)(1), Table 130.7(C)(15)(A)(a)
shall be used When arc flash PPE is required, Table
130.7(C)(15)(A)(b) shall be used to determine the arc flash
PPE category
See Informational Notes.
(DC equipment)
37
38. An incident energy analysis shall be required in accordance with
130.5 for the following:
•Tasks not listed in Table 130.7(C)(15)(A)(a)
•Power systems with greater than the estimated maximum
available short-circuit current
•Power systems with longer than the maximum fault
clearing times
•Tasks with less than the minimum working distance
130.7 Personal and Other Protective
Equipment
Personal Protective Equipment (PPE)
38
41. 130.7 Personal and Other Protective Equipment
Personal Protective Equipment (PPE)
Arc flash PPE category identified from Table 130.7(C)(15)(A)
(b) or Table 130.7(C)(15)(B),
Table 130.7(C)(16) used to determine the required PPE for
the task.
Table 130.7(C)(16) lists PPE based on arc flash PPE
categories 1 through 4.
41
43. 130.7 Personal and Other Protective Equipment
Alerting Techniques
1) Safety Signs and Tags
Per ANSI Z535
1) Barricades –if arc flash boundary > limited approach,
shall not be put closer than Arc flash boundary
2) Attendants
3) Look-Alike Equipment
Standards for Other Protective Equipment
– See Table 130.7(F)
43