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NFPA 70E 2012
Proposed Changes to NFPA 70E
Based on Action Taken on Proposals at
the ROP Meeting Held the Week ofFebruary 8, 2010
D. Ray CrowDRC Consulting, Inc.
Paul Dobrowsky
Innovative Technology Services 1
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Background
This presentation is based on preliminary
information.
Review the published ROP for additional details.
All changes are open and subject to change!
ROC Meeting Week of October 24, 2010.433 public comments plus possible committee
comments.
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70E Task Group Chairs
Task Group Chair for Article 110 is Mark McNellis.
Task Group Chair for Article 130 is Daleep Mohla
Task Group Chair for the Tables is James Dollard
Task Group Chair for Article 320 - Batteries is
Keith Schuh
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ROP Meeting February 2010
540 Public Proposals
8 Committee Proposals
Comment Closing Date: 9/3/2010
http://www.nfpa.org/70e
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Committee Action Key
P = ProposalA = Accept
R= Reject
APA = Accept in PartAPR = Accept in Principle
APP = Accept in Principle in Part
H = Hold
Example: P9 APR
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Effective Date
Effective date of Standard to be 180 days from
Standards council issue date.
p 1 A6
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90.2 (A) (A) Covered This standard addresses electrical
safety requirements for employee workplacesthat are necessary for the practicalsafeguarding of employees during activities
such as the installation, inspection, operation,maintenance, and demolition, of electricconductors, electric equipment, signaling andcommunications conductors and equipment,
and raceways for the following:
p 9 APR
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90.2(A)(4)
(4) Installations used by the electric utility,
such as office buildings, warehouses, garages,
machine shops, and recreational buildings,
that are not an integral part of a generating
plant, substation, or control center
p 11 A
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90.5(C)
FPN's changed to Informational Notes
p 13 A
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Article 100
Arc Rated (AR) Flame Resistant (FR)
p 5 APR
p 27
p -55 APR
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Article 100 New Definition
Incident Energy Analysis:
A study used to predict the incident energy ofan arc flash for a specified set of conditions.
p 20 APR 11
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Article 100
Working On:
Intentionally coming in contact with energized
electrical conductors or circuit parts with thehands, feet, or other body parts, with tools,probes, or with test equipment, regardless of thepersonal protective equipment a person iswearing.
p 73 A
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Article 100
Many definitions were deleted that are not used
in the standard
Some were used in earlier editions in Chapter 4.
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New Article 105
New Article 105 for General Information, Scope,purpose, etc.
p 76, 77, 80 14
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110.5 Multi-Employer Relationship
(C) New
Documentation. There shall be a documentedmeeting between the host employer and thecontract employer.
p 82 APR
p 83 APP
p 87 APR
p 88 APP
p 89APR
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110.6(C) Training
including cardiopulmonary resuscitation and
Automatic External Defibrillator (AED) use
shall be ...
p92 A
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110.6(D)(1)(f) New
The employer shall determine, throughregular supervision and through inspectionsconducted on at least an annual basis that
each employee is complying with the safety-related work practices required by thisstandard.
p 100 A
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110.6(D)(3)(d) New
(e) Retraining shall be performed at intervalsnot to exceed three years.
p 104 A
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110.6(E)
The documentation shall contain the content
of the training, each employees name and
dates of training.
p 105 A
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110.7(E) ESP Procedures
(E) Electrical Safety Program Procedures. Anelectrical safety program shall identify theprocedures for working within the limited
approach boundary and for working withinthe arc flash boundary of energized electricalconductors and circuit parts operating at 50volts or more or where an electrical hazard
exists before work is started. p 111 APR
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110.7(H) Electrical Safety Auditing
(H) Electrical Safety Auditing.
(1) Electrical Safety Program. The electrical
safety program shall be audited to help ensure
that the principles and procedures of the
electrical safety program are still in
compliance with the latest requirements and
regulations. The frequency of the audit shallnot exceed three years.
continued
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110.7(H)(3) New
Documentation. The audit shall bedocumented.
p 124 A
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110.8 Working Exposed to Electrical
Hazards
Deletes portions of 110.8 that already exist inArticle 130.
110.8(B)(1)(a) = 130.2(A) 110.8(B)(1)(b) = 130.3
110.8(B)(2) = 130.1(B)(1)
110.8(B)(3) = 130.2(D)
p 128 APR, p 129 A, p 137 APP
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110.9 Use of Equipment
Relocates 130.4 to 110.9
A. Test Instruments and Equipment.
1. General: Only qualified persons shallperform testing work within the LimitedApproach Boundary of energized electricalconductors or circuit parts operating at 50volts or more.
p 142 A
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110.9(C) GFCI Protection
Must be provided where required by Codes
and Standards
Testing per manufacturers instructions
(existing)
Outdoors
From NEC 590.6(A)
p 147 APR
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110.9(B)(3)(d) New
Informational Note: The hazard/riskevaluation procedure could also includeidentifying when the use of portable tools and
equipment powered by sources other than120 volts ac such as batteries, air, hydraulics,etc. should be used to minimize the potentialfor injury from electrical hazards for tasks
performed in conductive or wet locations. p 149 APR
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110.10 New 110.10 Underground Electrical Lines and
Equipment. Before excavation starts and wherethere exists reasonable possibility of contactingelectrical or utility lines or equipment, theemployer shall take the necessary steps tocontact the appropriate owners or authorities toidentify and mark the location of the electricallines or equipment. A hazard analysis shall beperformed to identify the appropriate safe workpractices that shall be utilized during theexcavation.
p 151 APR
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120.2(C)(2)
(2) Form of Control. Three Two forms ofhazardous electrical energy control shall bepermitted: individual employee control, simplelockout/tagout, and complex lockout/tagout. For
the individual employee control and the simplelockout/tagout, the qualified person shall be incharge. For the complex lockout/tagout, theperson in charge shall have overall responsibility.
FPN: For an example of a lockout/tagoutprocedure, see Annex G.
p 155 A
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120.2(F)(2)(g) Grounding
(g) Grounding. Grounding requirements for thecircuit shall be established, including whetherthe temporary protective grounding equipmentgrounds shall be installed for the duration of the
task or temporarily are established by theprocedure. ...
Similar changes have been made elsewhere inthe Standard where this concept is covered.
p 175 APR
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130.1 New
All requirements of this article shall applywhether an incident energy analysis iscompleted or if the tables 130.7(C)(9) and
(C)(10) are utilized in lieu of an incidentenergy analysis in accordance with 130.3Exception No. 2.
p 186 APR
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130.1(A) Energized electrical conductors and circuit
parts to which an employee might be exposedshall be put into an electrically safe workcondition before an employee works within
the Limited Approach Boundary of thoseconductors
or parts. if any of the conditions in 130.1(A)(1)through 130.1(A)(3) exist:
continued
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130.1(A) (1) The employee is within the Limited Approach
Boundary. (2) The employee is within the Arc Flash Boundary.
(3) The employee interacts with equipment whereconductors or circuit parts are not exposed, but an
increased risk of arc flash hazard exists. Informational Note: See definition of arc flash hazard
in Article 100.
p 190 APR
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130.1(B)(1) Permit
130.1(B)(1) When Where Required. If Whenworking within the limited approach boundaryor the arc flash boundary of exposed on
energized electrical conductors or circuit partsthat are not placed in an electrically safe workcondition ... shall be performed by writtenpermit only.
p 199 APR 17-6
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130.1(B)(2)(6) Permit Elements
(6) Results of the arc flash hazard analysis. (130.3) a. The arc flash boundary
b. The necessary personal protective equipment
to safely perform the assigned task. c. The available incident energy or Hazard Risk
Category.
Deletes (7) & (8)
p 201 APR
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130.2(B) Shock Boundaries
Existing Table 130.2(C) becomes Table
130.2(C)(1), for ac systems
Table 130.2(C)(2) shall be used for the distances
associated with various dc system voltages
p 206 A
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130.3 Exception 1 Arc Flash Hazard
Analysis
Deletes the exception and adds an InformationalNote
FPN No. 3: An arc flash hazard analysis may notbe necessary for some three-phase systems ratedless than 240 volts. See IEEE 1584 for more
information.
p 223 A, p 229, A
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130.3(B) PPE & PE
The requirements of 130.7 shall apply
regardless of the method used to select the
equipment.
p 245 A
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130.3(B)(1)
130.3(B)(1) FPN: For information onestimating the incident energy, see Annex D.For guidance on selection of arc-rated clothing
and other personal protective equipment(PPE), see Table H.3 in Annex H.
p 247 APR
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130.3(C) Equipment Labeling
(C) Equipment Labeling. Electrical equipmentsuch as switchboards, panelboards, industrialcontrol panels, meter socket enclosures andmotor control centers that are likely to requireexamination, adjustment, servicing ormaintenance while energized shall be fieldmarked with a label containing all the following
information:
continued
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130.3(C) Equipment Labeling
(1) Only one of the following: a. Available incident energy
b. Minimum arc rating of clothing
(2) Arc Flash Boundary
(3) Nominal system voltage
(4) Equipment identification
(5) Date of arc flash hazard analysis
p 260 APR
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130.6(G) New
G) Doors, hinged panels, and the like shall besecured to prevent their swinging into anemployee and causing the employee to contactexposed energized electrical conductors or circuitparts rated at 50 volts or more or where anelectrical hazard exists if movement of the door,hinged panel, and the like is likely to create a
hazard.
p 281 APR
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130.7(C)5 New
130.7(C)5 Hearing Protection.
Employees shall wear hearing protection
whenever working within the arc flash
boundary.
p 294 APR, p 295 APR
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Table 130.7(C)(9)
Moves the maximum short circuit current,
fault clearing time from the Specific Notes 1 to
4 into the appropriate section(s) of Table
130.7(C)(9).
p 318 APR
p 323 APP
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Table 130.7(C)(9)
The use of N does not indicate that rubber
insulating gloves, insulated and insulatinghand tools are not required in all cases.
Rubber insulating gloves, insulated andinsulating hand tools may be required by130.2, 130.7(C)(6) and 130.7(D).
p 329 APR
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Table 130.7(C)(9)
Adds a column to existing Table 130.7(C)(9) to
include Arc Flash Protection Boundaries for
each task.
p 331 APR
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Table 130.7(C)(9)(2) New
Renumber existing Table 130.7(C)(9) as Table
130.7(C)(9)(1) and adds a new Table
130.7(C)(9)(2) for DC Hazards
p 347a A
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Table 130.7(C)(10)
Includes the requirement for a balaclava inhazard/risk category 2
2. Deletes hazard/risk category 2* and note
10. 3. Revises all tasks currently listed as
hazard/risk category 2* in Table 130.7(C)9 tohazard/risk category 2.
p 348 APP, p 355 A
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Table 130.7(C)(11)
Combines the information found in 130.7(C)10
and Table 130.7(C)10 and 130.7(C)11 and
Table 130.7(C)11 into a single section and
table.
p 363 A
p 365 APR
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130.7(C)(12) Clothing Factors
Garments that are not arc-rated shall not be
permitted to be used to increase the arc rating
of a clothing system.
p 372 APR
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130 7(C)(13)( ) & (b)
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130.7(C)(13)(a) & (b)
Arc Flash Suits. .... When the incident energy
exposure is greater than 12 cal/cm2 a suitably
rated arc flash suit hood shall be used. ....
(b) Face Protection .... Face shields with a
wrap-around guarding to protect the face,
chin, forehead, ears, neck area shall be used.....
p 376 A, p 377 A54
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205.3 General Maintenance
(3) Maintenance, tests and inspections shallbe documented
p 390 APA
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Article 320 Batteries and Rooms
Deleted requirements related to installation
and/or design.
Such requirements are beyond the scope of
NFPA 70E (and most belong in NFPA 70)
Numerous proposals
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Annex D 10 New
Adds a new Annex D.10: DC Incident EnergyCalculations
p 517a A
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Annex F
Revised Risk Assessment
p 519 A
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Annex H Revised Annex H to provide guidance on clothing
selection. Annex H has been split into 4 sections:
Two sections which provide guidance on selectingpersonal protective clothing when using the
Hazard/Risk Categories and
Two sections providing guidance on selectingpersonal protective clothing when using incident
energy values.
p 522 APR
p 522a A
p 522a A
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Thank You
Questions ?
D. Ray Crow
DRC Consulting, Inc.
Paul Dobrowsky
Innovative Technology Services