This is the NFPA 70E approach tables for unlabled live electrical equipment

1. 130.7 ARTICLE 130
(9) Selection of Personal Protective Equipment When
Required for Various Tasks. Where selected in lieu of the
ffi analysis of 130.3(ffi)(1), Table 130.7(C)(9)
shall be used to determine the hazardlrisk category ffi
The assumed
maximum short-circuit current capacities and maximum
fault clearing times for various tasks are listed in the notes
FPN No. 3: ffi circuit parts
that operate at less than 50 volts w to be de-
energized to satisfy an "electrically safe work condition."
Consideration should be given to the capacity of the source,
any overcurTent protection between the energy source and
the worker, and whether the work task related to the source
operating at less than 50 volts increases exposure to elec-
trical burns or to explosion from an electric arc.
Thble 130.7(C)(9) Hazard/Risk Categorf- Crrsdficatbm and Us€ of Rubber Insulating Gloves and Insulated
and Insulating Hand Tools
Hazard/Risk Rubber Insulating Insulated and
Tasks Performed on Energiz.ed F4uipment Category Gloves Insulating Hand Tools
Panelboards or Other Equipment Rated 240 V and Below
Note L
-
Perform infrared thermography and other non-contact
inspections outside the restricted approach boundary
Circuit breaker (CB) or fused switch operation with covers on 0 N N
CB or fused switch operation with covers off 0 N N
Work on energized electrical conductors and circuit parts, I Y Y
including voltage testing
Remove/install CBs or fused switches 1 Y Y
Removal ofbolted covers (to expose bare, energized electrical I N N
conductors and circuit parts)
Opening hinged covers (to expose bare, energized electrical 0 N N
conductors and circuit parts)
Work on energized electrical conductors and circuit parts of
utilization equipment fed directly by a branch circuit of the
panelboard
Panelboards or Switchboards Rated >240 V and up to
600 V (wi0r molded case or insulated case circuit breakers)
Note 1
-
Perform infrared thermography and other non-contact inspections N N
outside the restricted approach boundary
CB or fused switch operation with covers on N N
70E-30 ELECTRICAL SAFETY IN THE WORKPLACE 2OO9 Edition

2. ARTICLE 130 r30.7
Table 130.7(CX9) Continued
HazardlRisk Rubber Insulating Insulated and
Tasks Performed on Energized Equipment Category Gloves Insulating Hand Tools
CB or fused switch operation with covers off I Y N
Work on energized electrical conductors and circuit parts, 2* Y Y
including voltage testing
Work on energized electrical conductors and circuit parts of 2* Y Y
utilization equipment fed directly by a branch circuit of the
panelboard or switchboard
600 V Class Motor Control Centers (MCCs) Note 2
(except as indicated) -
Perform infrared thermography and other non-contact I
inspections outside the restricted approach boundary
CB or fused switch or starter operation with enclosure doors 0
closed
Reading a panel meter while operating a meter switch 0
CB or fused switch or starter operation with enclosure doors open 1
Work on energized electrical conductors and circuit parts,
including voltage testing
Work on control circuits with energized electrical conductors and 0
circuit parts 120 V or below, exposed
.,,*
Work on control circuits with energized electrical conductors and
circuit parts >120 Y exposed
Insertion or removal of individual starter "buckets" from MCC 1
Note 3
-
Application of safety grounds, after voltage test ')*
Removal ofbolted covers (to expose bare, energized electrical +
conductors and circuit parts) Note 3
-
Opening hinged covers (to expose bare, energized elecffical I
conductors and circuit parts) Note 3
-
Work on energized elecfrical conductors and circuit parts of 2*
utilization equipment fed directly by a branch cfucuit of the
motor contol center
6fi) V Class Switchgear (with power circuit breakers or fused
switches) Note 4
-
Perform infrared thermography and other non-contact inspections 2
outside the restricted approach boundary
CB or fused switch operation with enclosure doors closed 0
Reading a panel meter while operating a meter switch 0
CB or fused switch operation with enclosure doors open I
Work on energized electrical conductors and circuit parts,
including voltage testing
Work on control circuits with energized electical conductors and 0
circuit pars 120 V or below, exposed
Work on control circuits with energized electrical conductors and 2*
circuit parts >120 V exposed
(continues)
2OO9 Edition ELECTRICAL SAFETY IN THE WORKPLACE 70E-31

3. 130.7 ARTICLE I3O-
Table 130.7(C)(9) Continued
Hazard/Risk Rubber Insulating Insulated and
Tasks Performed on Energized Equipment Category Gloves Insulating Hand Tools
Insertion or removal (racking) of CBs from cubicles, doors +
open or closed
Application of safety grounds, after voltage test
Removal of bolted covers (to expose bare, energized electrical 4
conductors and circuit parts)
Opening hinged covers (to expose bare, energized electrical
conductors and circuit parts)
Other 600 Y Class (277 V through 6fi) V, nominal)
Equipment Note 2 (except as indicated)
-
Lighting or small power transformers (600 V, maximum)
Removal of bolted covers (to expose bare, energized electri- 2*
cal conductors and circuit parts)
Opening hinged covers (to expose bare, energized electrical 1
conductors and circuit parts)
Work on energized electrical conductors and circuit parts,
including voltage testing
Application of safety grounds, after voltage test 2*
Revenue meters (kW-hour, at primar,v voltage and current) In- 2*
sertion or removal
Cable trough or tray cover removal or installation 1
Miscellaneous equipment cover removal or installation I
Work on energized electrical conductors and circuit parts, in- 2*
cluding voltage testing
Application of safety grounds, after voltage test 2>k
Insertion or removal of plug-in devices into or from busways 2*
NEMA E2 (fused contactor) Motor Starters, 2.3 kV
Through 7.2kY
Perform infrared thermography and other non-contact inspec-
tions outside the restricted approach boundary
Contactor operation with enclosure doors closed 0
Reading a panel meter while operating a meter switch 0
Contactor operation with enclosure doors open
Work on energized, electrical conductors and circuit parts, in- 4
cluding voltage testing
Work on control circuits with energized electrical conductors 0
and circuit parts 120 V or below, exposed
Work on control circuits with energized electrical conductors J
and circuit parts >120 V, exposed
Insertion or removal (racking) of starters from cubicles, doors
open or closed
Application of safety grounds, after voltage test
708-32 ELECTRICAL SAFETY IN THE WORKPLACE 2OO9 Edition

4. ARTICLE l3O
-
Table 130.7(CX9) Continued
llazard./Risk Rubber Insulating Insulated and
Tasks Performed on Energized Equipment Category Gloves Insulating Hand Tools
Removal of bolted covers (to expose bare, energized 4 N N
electrical conductors and circuit parts)
Opening hinged covers (to expose bare, energized electrical J N N
conductors and circuit parts)
Insertion or removal (racking) of starters from cubicles of 0 N N
arc-resistant construction, tested in accordance with IEEE
C37.20.7, doors closed only
Metal Clad Switchgear, 1 kV Through 38 kV
Perform infrared thermography and other non-contact
inspections outside the restricted approach boundary
CB operation with enclosure doors closed
Reading a panel meter while operating a meter switch
CB operation with enclosure doors open
Work on energized electrical conductors and circuit parts,
including voltage testing
Work on control circuits with energized electrical conductors
and circuit parts 120 V or below, exposed
Work on control circuits with energized electrical conductors
and circuit parts >120 V, exposed
Insertion or removal (racking) of CBs from cubicles, doors
open or closed
Application of safety grounds, after voltage test
Removal of bolted covers (to expose bare, energized
electrical conductors and circuit parts)
Opening hinged covers (to expose bare, energized electrical
conductors and circuit parts)
Opening voltage transformer or control power transformer
compartments
Arc-Resistant Switchgear TVpe 1 or 2 (for clearing times
of <0.5 sec with a perspective fault current not to
exceed the arc resistant rating of the equipment)
CB operation with enclosure door closed
Insertion or removal (racking) of CBs from cubicles, doors
closed
Insertion or removal of CBs from cubicles with door open
Work on control circuits with energized electrical conductors
and circuit parts 120 V or below, exposed
Insertion or removal (racking) of ground and test device
with door closed
Insertion or removal (racking) of voltage transformers on or
off the bus door closed
(continues)
2OO9 Edition ELECTzuCAL SAFETY IN THE WORKPLACE 708-33

5. 130.7 ARTICLEl3o-Wffi#
Tabfe 130.7(CX9) Continued
Hazard./Risk Rubber Insulating Insulated and
Tasks Performed on Energized Equipment Category Gloves lnsulating Hand Tools
Other Equipment I kV Through 38 kY
Metal-enclosed intemrpter switchgear, fused or unfused
Switch operation of arc-resistant-type construction, tested in N
accordance with IEEE C37.20.7, doors closed only
Switch operation, doors closed N
Work on energized electrical conductors and circuit parts, Y
including voltage testing
Removal of bolted covers (to expose bare, energized N
electrical conductors and circuit parts)
Opening hinged covers (to expose bare, energized electrical N N
conductors and circuit parts)
Outdoor disconnect switch operation (hookstick operated) 3 Y Y
Outdoor disconnect switch operation (gang-operated, from 2 Y N
grade)
Insulated cable examination, in manhole o1 6ther confined space 4 Y N
hsulated cable examination, in open area 2 Y N
General Notes (applicable to the entire table):
(a) Rubber insulating gloves are gloves rated for the maximum line-to-line voltage upon which work will be
done.
(b) Insulated and insulating hand tools are tools rated and tested for the marimum line-to-line voltage uporl
which work will be done. and are manufactured and tested in accordance gith ASTM F 1505, Standard
Specification for Insulated and Insulating Hand Tools.
(c) Y = yes (required), N = no (not required).
(d) For systems rated less than 1000 volts. the fault currents aad upstream protective device clearing times
are based on an 18 in. working distance.
(e) For systems rated 1 kV and greater, the Hazard/Risk Categories are based on a 36 in. working distance.
(f) For equipment protected by upstream current limiting fuses with arcing fault current in their current
limiting range (Vz cycle fault clearing time or less), the hazard,/risk category required may be reduced by one
number.
Specific Notes (as referenced in the table):
1. Maximum of 25 kA short circuit current available; maximum of 0.03 sec (2 cycle) fault clearing time.
2. Maximum of 65 kA short circuit current available; maximum of 0.03 sec (2 cycle) fault clearing time.
3. Maximum of 42kA short circuit current available; maximum of 0.33 sec (20 cycle) fault clearing time.
4. Maximum of 35 kA short circuit current available; maximum of up to 0.5 sec (30 cycle) fault clearing
tlme.
(10) Protective Clothing and Personal Protective FPN No. 1: See Annex H for a suggested simplified ap-
Equipment Matrix. Once the HazardlRisk Category has proach to ensure adequate PPE for electrical workers within
facilities with large and diverse electrical systems.
been identified #$Btr* Table 130.7(CX9) ffiffiffi,"Ii FPN No. 2: The PPE requirements of this section are in-
Tubl"
tended to protect a person from arc flash and shock hazards.
130.7(CX10) shall be used to determine the required PPE
While some situations could result in burns to the skin,
for the task. Table 130.7(CX10) lists the requirements for even with the protection described in Table 130.7(C)(10),
protective clothing and other protective equipment based burn injury should be reduced and survivable. Due to the
on HazardlRisk Category numbers 0 through 4. This cloth- explosive effect of some arc events, physical trauma inju-
ries could occur. The PPE requirements of this section do
ing and equipment shall be used when working within the not address protection against physical trauma other than
Arc Flash Protection Boundary. exposure to the thermal effects of an arc flash.
708-34 ELECTRICAL SAFETY IN THE WORKPLACE 2OO9 Edition