90.2(A) Covered & 90.2(B) Not Covered 6/23/2015. Learning Objectives. 90.2(A) Covered & 90.2(B) Not Covered. Change Summary

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After reviewing this material, the student will be able to:

1. Identify the installations that fall under the scope of the 2015 edition of

NFPA 70E.

2. Identify the assessments required to determine appropriate

safety-related work practices.

3. Identify the term “hazard” and how it is defined in NFPA 70E.

4. Recall the intervals at which an Electrical Safety Program must be

audited and updated if necessary.

5. Understand the entity responsible for the maintenance of electrical

equipment.

Learning Objectives

Change Summary

90.2(A)

Covered

& 90.2(B)

Not Covered

• In the 2012 edition, 90.2(A) seemed to focus on “electrical safety-related work practices” however, 70E addresses much more than “work practices.” • Section 90.2(A) now clarifies that 70E

contains “safety-related maintenance requirements, and other administrative controls.”

• List item (2) in 90.2(B) has been deleted, meaning mines are now covered by 70E.

(2)

90.2(A)

Covered

& 90.2(B)

Not Covered

Change Summary

100

• The definition of “Arc Flash Hazard Analysis” is deleted to achieve consistent use of terminology associated with the terms hazard and risk throughout the standard. • The word analysis has been changed

to assessment in multiple terms. • For example, “arc flash hazard

analysis” is now arc flash risk assessment, and “shock hazard analysis” is now shock hazard risk assessment.

Arc Flash Hazard Analysis

Courtesy of Salisbury by Honeywell

100

(3)

Change Summary

100

• The definition of “Boundary, Prohibited Approach” is deleted along with all references to this boundary throughout the standard. • This term is deleted because it

served no practical use in the standard and did not trigger any requirements.

Boundary, Prohibited Approach

Courtesy of NECA

100

Change Summary

100

• Two new definitions are added to promote consistent use of terminology through 70E. • Hazard. A source of possible injury

or damage to health. (NFPA 79) • Hazardous. Involving exposure to

at least one hazard. (CSA Z1002) • The word “harm” has been changed

to injury or damage to health throughout the standard. Hazard & Hazardous

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100

Change Summary

100

Courtesy of Salisbury by Honeywell • The defined term “Incident Energy”

is revised to clarify that it is the amount of “thermal” energy only. • An arc flash incident can introduce

hazards in addition to the thermal effects including physical trauma in an arc blast, shrapnel, vaporized and molten metals.

• An Incident Energy Analysis is just one part of an arc flash hazard risk assessment.

Incident Energy & Incident Energy Analysis

100

(5)

Change Summary

100

• Qualified Persons must have “demonstrated skills and knowledge related to the construction and operation of electrical equipment and installations.”

• Qualified Persons must have “received safety training to identify and avoid the hazards involved.”

• A person can be considered qualified with respect to certain equipment and methods but still be unqualified for others.

Qualified Person

Courtesy of Donald Cook

100

Courtesy of Donald Cook

Change Summary

100

• The term “probability” is replaced with the term “likelihood” throughout the standard.

• Risk. A combination of the likelihood of occurrence of injury or damage to health and the severity of injury or damage to health that results from a hazard.

• Likelihood is simply the chance of something happening while “probability” is often narrowly interpreted as a mathematical term. Risk

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100

Courtesy of Service Electric Company

Change Summary

100

• The term “Risk Assessment” is now defined to provide clarity.

• A risk assessment is a process that identifies hazards, estimates potential injury, estimates likelihood of occurrence and determines if protective measures are necessary. • Arc flash risk assessments and

shock risk assessments are two types of risk assessments addressed by this new definition. Risk Assessment

100

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Change Summary

110.1(B)

• Electrical Safety Program (ESP) requirements have been relocated from 110.3 to 110.1.

• The ESP is now required in 110.1(B) to consider maintenance of electrical equipment and systems.

• Lack of proper maintenance can result in increased opening times of overcurrent protective devices resulting in higher values of incident energy.

Electrical Safety Program…Maintenance

Courtesy of Burlington Electrical Testing

110.1(B)

Change Summary

110.1(G)

Courtesy of Stark Safety Consultants • Former 110.3(F) has been relocated

as 110.1(G) and retitled “Risk Assessment Procedure.” • Hazard identification is included in

the defined term “risk assessment.” • Risk assessments include

identifying hazards, assessing risks, and implementing risk controls according to a hierarchy of methods.

• A new Informational Note provides a risk control hierarchy.

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110.1(G)

Courtesy of Stark Safety Consultants

Change Summary

110.1(H)

• All justified energized work requires a job briefing before each task including tasks that are repetitive or similar.

• It is no longer “satisfactory” to have only a brief discussion at the start of each day for routine and qualified employees.

• Routine work by qualified persons now requires a job briefing before each task.

Electrical Safety Program…Job Briefing

110.1(H)

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Change Summary

110.1(I)

• Section 110.4(H) has been relocated to 110.1(I) and “Field Work” in list item (2) has been revised.

• Field work covered by electrical safety programs must be audited at least once annually.

• Field work may include job briefings, maintenance/ inspection records, noncompliance, documentation of training, first aid/CPR, employee qualifications, work procedures, etc.

110.1(I)(1) & (2)

110.1(I)

Change Summary

110.2(C)

• Employees trained in contact release, CPR, and AED’s must now receive annual refresher training. • Employers are not required to

certify the training and the employer may use a third party to perform the training.

• Employers must now document emergency response training and verify that employees are retrained annually.

Training Requirements…Emergency Response Training

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110.2(C)

Courtesy of Coyne First Aid, Inc.

Change Summary

110.2(D)

Courtesy of ATEI

• Qualified persons working within the Limited Approach Boundary (LAB) must be trained to perform necessary job planning, identify electrical hazards, assess associated risk, and also select the appropriate risk control method including necessary PPE as identified in new 110.1(G).

• Risk control hierarchy: elimination, substitution, engineering controls, awareness, administrative controls and PPE.

Training Requirements…Employee Training

110.2(D)

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Change Summary

110.2(E)

• Employers are required to document the training required in 110.2(D).

• The “content of training” must be documented.

• The documentation can be a course syllabus, course curriculum, course outline, table of contents or training objectives.

Training Requirements…Documentation

110.2(E)

Change Summary

110.3(C)

Courtesy of IBEW Local 98 • A documented meeting between

host and contract employers is required only where the host employer has knowledge of hazards covered by 70E, and they are related to the contract employer’s work.

• A documented meeting is not required where the host, (client or owner) does not have knowledge of electrical hazards and their electrical equipment and systems.

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110.3(C)

Courtesy of IBEW Local 98

Change Summary

110.4(C)

• GFCI protection is required for 125-volt, 15, 20, or 30- amps

receptacles supplying cord and plug connected tools used for

construction or maintenance activities.

• For equipment supplied at greater than 125-volt, 15, 20, or 30-amps, either GFCI protection or the implementation of an AEGCP is required.

Ground-Fault Circuit-Interrupter (GFCI) Protection

110.4(C)

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Change Summary

120.1

• An ESWC must be established in accordance with 120.2.

• The title of 120.1 has been revised to clarify that the prescriptive steps are only for “verification” of an ESWC.

• The verification process in 120.1 is not a “process” to achieve an ESWC.

Verification of an Electrically Safe Work Condition

120.1

Change Summary

120.2(B)(2), (3) & (4)

• Employees must be retrained in established lockout/tagout (LOTO) procedures at intervals not exceeding three years. • Employers must document that

each employee has been trained when they demonstrate proficiency. • Employers are required to

document the content of training, each trained employee name, and dates the training was received.

Principles of Lockout/Tagout Execution

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120.2(B)(2), (3) & (4)

Change Summary

120.3(A)

• The employer is now required to identify the location, sizing, and application of temporary protective grounding equipment as part of the job planning.

• The location, sizing (maximum available short-circuit current), number of grounds, and length of grounding conductors must be determined by a qualified person(s).

Temporary Protective Grounding Equipment Placement

120.3(A)

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Change Summary

130.1

• The scope of Article 130 is clarified by the revisions to 130.1.

• Article 130 provides requirements for when an ESWC must be established in Section 130.2. • When an ESWC cannot be

established, Article 130 also provides requirements for electrical safety-related work practices. General

130.1

Change Summary

130.2(A)(4)

• Justification thresholds for energized work now include “Normal Operation” of electrical equipment.

• The equipment must be properly installed and maintained and all equipment doors and covers must be in place and secured. • The equipment must not have

evidence of impending failure. Electrically Safe Working Conditions

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130.2(A)(4)

Change Summary

130.2(B)(1)

• An energized electrical work permit (EEWP) is required when justified energized work in accordance with 130.2(A) is performed within the restricted approach boundary (RAB). • An EEWP is required when the

employee interacts with the equipment when conductors or circuit parts are not exposed but an increased likelihood of injury from an exposure to an arc flash hazard exists.

Energized Electrical Work Permit…When Required

130.2(B)(1)

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Change Summary

130.2(B)(3)

• Exemptions for an EEWP have been clarified, expanded, and rewritten in list format. • New exemptions are added for

access/egress, housekeeping, and non-electrical tasks, provided the RAB is not crossed.

• The exemption for visual inspection is expanded to include

thermography provided the RAB is not crossed.

Exemptions to Work Permit

130.2(B)(3)

Change Summary

130.3

• Exposure to energized conductors or circuit parts requires safety-related work practices.

• Safety-related work practices, must be specific, consistent with the electrical hazards and the associated risk.

• Shock and Arc Flash Risk Assessments required.

• Only qualified persons are permitted to work on energized electrical conductors or circuit parts.

Working While Exposed to Electrical Hazards

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130.3

Change Summary

130.4

• The title of section 130.4 now clarifies that the requirements for approach are for “shock protection.”

• The title of 130.4(A) is retitled “Shock Risk Assessment.”

• Requirements for unqualified persons are relocated to 130.4(C) and retitled “Limited Approach Boundary.” • Requirements for qualified persons are

relocated to 130.4(D) and retitled “Restricted Approach Boundary.”

Approach Boundaries to Energized Electrical Conductors…

130.4

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Change Summary

Table 130.4(D)(a)

• New voltage range of 50 V – 150 Vd has been created for exposures at not more than 120-volts.

• Voltage range 50 V – 300 V with a Restricted Approach Boundary of “avoid contact” is deleted.

• New voltage range of 151 V – 750 V with a Restricted Approach Boundary of 1-foot is added which now includes 208, 240, and 277-volts.

Approach Boundaries…for Shock Protection for ac Systems

Table 130.4(D)(a)

Change Summary

130.5

Courtesy of Salisbury by Honeywell • Section 130.5 is retitled to “Arc

Flash Risk Assessment.” • Three list items are added to

logically separate requirements for an arc flash hazard risk

assessment.

• New text is added to Informational Note No.1 to inform users that where equipment is not maintained, required arc flash PPE may not be adequate.

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130.5

Change Summary

130.5(A) & (B)

Courtesy of Stark Safety Consultants • Documentation of the Arc Flash

Hazard Risk Assessment results is required in new 130.5(A). • 130.5(B) permits the arc flash

boundary at 1.2 cal/cm2 or the distance in the Arc Flash PPE Categories Method.

• The onset of a second degree burn is 1.2 cal/cm2.

(A) Documentation & (B) Arc Flash Boundary

130.5(A) & (B)

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Change Summary

130.5(C)

Courtesy of Salisbury by Honeywell • Both the Incident Energy Analysis

Method and the Arc Flash PPE Categories Method are permitted, either method but not both on the same equipment.

• Specifying an Arc Flash PPE Category in Table 130.7(C)(16) from the results of an Incident Energy Analysis is prohibited.

(C) Arc Flash PPE

130.5(C)

Change Summary

130.5(D)

Courtesy of Stark Safety Consultants • Labels can include available

incident energy and the

corresponding working distance, or the arc flash PPE category, not both.

• Equipment owners are responsible for 70E labeling, not electrical contractors.

• Where the review of the arc flash hazard analysis in 130.5 reveals a change, the labels must be updated.

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130.5(D)

Courtesy of Stark Safety Consultants

Change Summary

130.6

Courtesy of IBEW Local 98 • Revised title, 130.6(A)(1) When

Electrical Hazards Might Exist: employees must be instructed to stay alert inside the LAB. • Instructions to stay alert when

inside the LAB should be part of the job briefing.

• 130.6(D) Conductive Articles Being Worn: conductive articles are not permitted to cross the “restricted approach boundary.”

(A) Alertness & (D) Conductive Articles Being Worn

130.6

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Change Summary

130.6(H)

• “Working Space” required in other codes and standards must be kept clear.

• Storage is prohibited in working spaces in front of electrical equipment.

• The referenced working space requirements are in the NEC and applicable OSHA standards. (H) Clear Spaces

130.6(H)

Change Summary

130.6(M) & (N)

• Reclosing of overcurrent protective devices after an overload is permitted when the design of the circuit and the overcurrent devices involved are considered and it is determined the automatic operation was the result of an overload. • Requirements for “Safety Interlocks”

are logically relocated to 130.6(N).

(M) Reclosing Circuits After Protective Device & (N) Safety Interlocks

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130.6(M) & (N)

Change Summary

Table 130.7(C)(14)

• Two new standards are recognized as guidelines for industrial and home laundering of arc flash rated PPE.

• Clothing/garments that are “arc rated” are also “flame resistant.” • Results of an incident energy

analysis cannot be used to specify a category in Table 130.7(C)(16).

Standards for Personal Protective Equipment (PPE) & Table

Table 130.7(C)(14)

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Change Summary

130.7(C)(15)(A)

• Arc flash PPE requirements in 130.7(C)(15) in lieu of an incident energy analysis have been significantly revised.

• Table 130.7(C)(15)(A)(a) identifies when arc flash PPE is required, ac and dc systems.

• Table 130.7(C)(15)(A)(b) determines the arc flash PPE category, ac systems.

• Table 130.7(C)(16) provides the required PPE, as permitted in 130.5(C)(2).

(A) Alternating Current (ac) Equipment

130.7(C)(15)(A)

Change Summary

Table 130.7(C)(15)(A)(a)

• The hazard/risk category method is deleted, the Arc Flash PPE Category Method does not vary PPE levels based on an associated risk.

• Table 130.7(C)(15)(A)(a) identifies when arc flash PPE is required. • Tasks are not equipment specific,

equipment installation and condition must be considered.

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Table 130.7(C)(15)(A)(a)

Change Summary

Table 130.7(C)(15)(A)(a)

Notes

• The note to Table

130.7(C)(15)(A)(a) explains that where the table states “No,” an arc flash is not likely to occur. • The task performed and the

condition of the equipment are considered to determine the likelihood of an occurrence. • Normal operation of properly

installed and maintained equipment is not likely to expose employees to an arc flash hazard.

Notes

Courtesy of Eaton Corporation

Table 130.7(C)(15)(A)(a)

Notes

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Change Summary

Table 130.7(C)(15)(A)(b)

• A single Arc Flash PPE Category is now provided for equipment in Table 130.7(C)(15)(A)(b).

• Arc flash boundaries are converted from inches and rounded up to the nearest foot.

• The table is now limited to 15 kV and below.

• Both current limiting fuses and current limiting circuit breakers, 600 volts and below, 200 amps or less may reduce the category number by one.

Arc-Flash Hazard PPE Categories for Alternating Current (ac) Systems

Table 130.7(C)(15)(A)(b)

Change Summary

130.7(C)(15)(B)

• New 130.7(C)(15)(B) provides requirements for the Arc Flash PPE Category method in dc systems. • Table 130.7(C)(15)(A)(a) identifies

when arc flash PPE is required, ac and dc systems.

• Table 130.7(C)(15)(B) determines the arc flash PPE category, dc systems.

• Table 130.7(C)(16) provides the required PPE, as permitted in 130.5(C)(2).

Direct Current (dc) Equipment

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130.7(C)(15)(B)

Change Summary

Table 130.7(C)(15)(B)

• The dc Arc Flash PPE Category Table is now limited to voltages between 100 and 600 volts. • Apparel exposed to electrolyte must

meet requirements of multiple ASTM standards.

• The dc Arc Flash PPE Category Table is based on open air calculations, for tasks in an enclosure additional PPE, as high as 300%, should be considered.

Arc-Flash Hazard PPE Categories for Direct Current (dc) Systems

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Change Summary

Table 130.7(C)(16)

• Arc Flash PPE Categories recognized are limited to 1 through 4 only.

• Previous protective clothing and PPE requirements of HRC 0 are deleted.

• The user is referred to Article 100 and the definition of “Arc Rating” to understand the impact of both ATPV and EBT.

Personal Protective Equipment

Table 130.7(C)(16)

Change Summary

130.7(D)(1) & 130.7(E)(2)

• Insulated Tools and Equipment are required when working within the restricted approach boundary. • Barricades are required at the

furthest distance determined by the larger of either the limited approach boundary or the arc flash boundary.

(D)(1) Insulated Tools and Equipment & (E)(2) Barricades

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130.7(D)(1) & 130.7(E)(2)

Change Summary

130.9

• Requirements in 110.5

Underground Electrical Lines and Equipment, are relocated to 130.9. • 130.9 applies where a likelihood of

contact with energized conductors or parts exists during an excavation. • An assessment must be made and

safe work practices along with PPE used when necessary.

Underground Electrical Lines and Equipment

130.9

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Change Summary

130.10

• Before cutting/drilling walls, floors or equipment where a likelihood of contacting energized

conductors/parts exists, a risk assessment is required. • The risk assessment; locates

conductors, cables and raceways, creates electrically safe work condition, identifies work practices and PPE.

Cutting or Drilling

130.10

Change Summary

205.3

• The owner of electrical equipment or the owner’s designated representative is responsible for the equipment’s maintenance and all associated documentation.

• Maintenance decals can provide the employee with necessary information when assessing the maintenance status of electrical equipment. • Proper maintenance of electrical

equipment is required throughout NFPA

70E.

General Maintenance Requirements

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205.3

Change Summary

205.14

• Where flexible cords or cables are damaged, they must be repaired or replaced.

• A qualified person is permitted to replace cord caps on extension cords, tools, and equipment.

Flexible Cords and Cables (3) Repair and Replacement

205.14

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Change Summary

250.4

• Test instruments used to verify absence or presence of voltage must be maintained.

• Test instruments and all associated test leads must be maintained to assure functional integrity. • Operation verification tests must be

performed to ensure functional verification of the test instrument. Test Instruments

250.4

Change Summary

320.3(A)(1)

• A risk assessment of hazards is required prior to work on a battery system.

• Chemical, shock, arc flash hazards and the associated risk with the task to be performed must be

considered.

• Informational Note No. 2 in Table 130.7(C)(15)(B) explains that required arc flash PPE may need to be increased (up to 300%) where work is performed in an enclosure. Battery Risk Assessment

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320.3(A)(1)

Change Summary

O.2.3 & O.2.4

• Methods to reduce incident energy are explained including, zone selective interlocking, differential relaying and energy reduction maintenance switches. • Other means to reduce incident

energy are added including active arc-flash mitigation systems, arc flash relays, high resistance grounding and current limiting devices.

Informative Annex O

O.2.3 & O.2.4

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1. The 2015 NFPA 70E now covers safety-related work practices in which of the following?

a. Installations in ships

b. Installations in underground and surface mines

c. Installations under the exclusive controls of an electric utility d. Installations used exclusively for signaling and

communications purposes for railways Questions

1. The 2015 NFPA 70E now covers safety-related work practices in which of the following?

a. Installations in ships

b. Installations in underground and surface mines

c. Installations under the exclusive controls of an electric utility d. Installations used exclusively for signaling and

communications purposes for railways Questions

2. Identify the assessment(s) that is/are required to determine the appropriate safety-related work practices before any person is exposed to the electrical hazards involved. (Select all that apply.)

a. Arc flash risk assessment b. Blast risk assessment c. Shock risk assessment d. Thermal burn assessment Questions

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2. Identify the assessment(s) that is/are required to determine the appropriate safety-related work practices before any person is exposed to the electrical hazards involved. (Select all that apply.)

a. Arc flash risk assessment b. Blast risk assessment c. Shock risk assessment d. Thermal burn assessment Questions

3. Which one of the following options best defines a “hazard” according to NFPA 70E ?

a. A source of certain injury or damage to health b. A source of possible injury or damage to health c. All Electrical Work and operations

d. An area identified with signs and barricades to alert that energized work is being performed

Questions

3. Which one of the following options best defines a “hazard” according to NFPA 70E ?

a. A source of certain injury or damage to health b. A source of possible injury or damage to health c. All Electrical Work and operations

d. An area identified with signs and barricades to alert that energized work is being performed

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4. The electrical safety program shall be audited to verify that the principles and procedures of the electrical safety program are in compliance with NFPA 70E. Field work shall be audited at intervals not to exceed __?__ year(s) to verify the requirements contained in the procedures of the electrical safety program are being followed.

a. 1 b. 3 c. 5 d. 7 Questions

4. The electrical safety program shall be audited to verify that the principles and procedures of the electrical safety program are in compliance with NFPA 70E. Field work shall be audited at intervals not to exceed __?__ year(s) to verify the requirements contained in the procedures of the electrical safety program are being followed.

a. 1 b. 3 c. 5 d. 7 Questions

5. Electrical equipment is required to be maintained in accordance with manufacturer’s instructions or industry consensus standards to reduce the risk associated with failure. Which of the following are identified in NFPA 70E as being responsible for maintenance of the electrical equipment and documentation? (Select all that apply.) a. The contractor that installed the equipment

b. The entity contracted to perform an incident energy analysis c. The equipment owner or the owner’s designated representative d. The manufacturer of the equipment

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5. Electrical equipment is required to be maintained in accordance with manufacturer’s instructions or industry consensus standards to reduce the risk associated with failure. Which of the following are identified in NFPA 70E as being responsible for maintenance of the electrical equipment and documentation? (Select all that apply.) a. The contractor that installed the equipment

b. The entity contracted to perform an incident energy analysis

c. The equipment owner or the owner’s designated representative

d. The manufacturer of the equipment