# Standard Interpretations
1 - 1910.147 - Response to Exelon Generation's concerns regarding draft Instruction CPL 2-1.18A, "Enforcement of the Electric Power Generation, Transmission and Distribution Standard."
2 - 1910.147 - The Lockout/Tagout Standard.
3 - 1910.147 - Inspection Guidance for Animal Slaughtering and Processing Establishments
4 - 1910.147(f)(3) - Group Lockout/Tagout
5 - 1910.147(b) - Energy Isolation Device Requirements
6 - 1910.147 - Trip and Emergency Switches on Mills and Calenders
7 - 1910.147(f)(3) - Group Lockout or Tagout
8 - 1910.147 - Inspection Guidance for Poultry Slaughtering and Poultry Processing Establishments
9 - 1910.147(f) - Lockout/tagout of electrical hazards by workers who install, maintain, repair or replace premises wiring systems.
10 - 1910.147(c) - Lockout/tagout of electrical hazards by workers who install, maintain, repair or replace premises wiring systems.
11 - 1910.147(a) - Lockout/tagout of electrical hazards by workers who install, maintain, repair or replace premises wiring systems.
12 - 1910.147(c)(7) - Lockout/tagout requirements during maintenance of front-end loaders (Jeff Wilke/DEP/GIE/Harvey/26485)
13 - 1910.147 - Electronic Certification of Training
14 - 1910.147 - Whether an LED type device ca be used for the isolation and deenergization verification requirements of 1910.147 and 1910.333.
15 - 1910.147 - Clarification on the use of a tagout device when an energy isolating device is capable of being locked out.
16 - 1910.147 - Controlling Confined Space Hazards in Deep Tanks for Parts Cleaning
17 - 1910.147 - Application of Lockout/Tagout to Employees Performing Maintenance Tasks on Cord and Plug Equipment
18 - 1910.147 - Use of local valves as a means of equipment isolation for energy control.
19 - 1910.147 - Numerous questions on lockout/tagout under 1910.147 and 1910.269
20 - 1910.147 - Numerous questions on lockout/tagout under 1910.147 and Subpart S.
21 - 1910.147(c) - OSHA Training Standards Policy Statements
22 - 1910.147(b) - Use of a PLC system as an alternative measure which provides effective protection for minor servicing activities.
23 - 1910.147(a)(2)(ii) - Use of a PLC system as an alternative measure which provides effective protection for minor servicing activities.
24 - 1910.147, 1910.147(a)(2)(ii), 1910.147(b) - Use of a PLC system as an alternative measure which provides effective protection for minor servicing activities.
25 - 1910.147(f)(1) - Lockout/Tagout and the provisions for testing or positioning of machines while they are energized.
26 - 1910.147(b) - Lockout/Tagout and the provisions for testing or positioning of machines while they are energized.
27 - 1910.147(a)(2)(ii) - Lockout/Tagout and the provisions for testing or positioning of machines while they are energized.
28 - 1910.147, 1910.147(a)(2)(ii), 1910.147(b), 1910.147(f)(1) - Lockout/Tagout and the provisions for testing or positioning of machines while they are energized.
29 - 1910.147(f)(2)(i) - Application of Control of Hazardous Energy (LOTO) requirements to compressed gas cylinders.
30 - 1910.147(c)(7)(iii)(B) - Application of Control of Hazardous Energy (LOTO) requirements to compressed gas cylinders.
31 - 1910.147(c)(7)(iii)(A) - Application of Control of Hazardous Energy (LOTO) requirements to compressed gas cylinders.
32 - 1910.147(c)(7) - Application of Control of Hazardous Energy (LOTO) requirements to compressed gas cylinders.
33 - 1910.147(b) - Application of Control of Hazardous Energy (LOTO) requirements to compressed gas cylinders.
34 - 1910.147, 1910.147(b), 1910.147(c)(7), 1910.147(c)(7)(iii)(A), 1910.147(c)(7)(iii)(B), 1910.147(f)(2)(i) - Application of Control of Hazardous Energy (LOTO) requirements to compressed gas cylinders.
35 - 1910.147(d)(5)(ii) - PRCS and LOTO requirements for accumulation of stored energy in steam pits
36 - 1910.147, 1910.147(d)(5)(ii) - PRCS and LOTO requirements for accumulation of stored energy in steam pits
37 - 1910.147(c)(7)(i) - OSHA training Standards Policy Statement.
38 - 1910.147(b) - Evaluation of the ElectroGuard disconnect system for use as an energy isolating device.
39 - 1910.147(a)(2)(ii) - Evaluation of the ElectroGuard disconnect system for use as an energy isolating device.
40 - 1910.147, 1910.147(a)(2)(ii), 1910.147(b) - Evaluation of the ElectroGuard disconnect system for use as an energy isolating device.
41 - 1910.147(b) - Application of the Lockout/Tagout standard to die-setting activities and other machine setup operations.
42 - 1910.147(a)(2)(iii)(A) - Application of the Lockout/Tagout standard to die-setting activities and other machine setup operations.
43 - 1910.147(a)(2)(ii) - Application of the Lockout/Tagout standard to die-setting activities and other machine setup operations.
44 - 1910.147, 1910.147(a)(2)(ii), 1910.147(a)(2)(iii)(A), 1910.147(b) - Application of the Lockout/Tagout standard to die-setting activities and other machine setup operations.
45 - 1910.147(c)(5)(ii) - Use of LOTO device on equipment placed in "out of service" status not related to servicing or maintenance.
46 - 1910.147(a)(1)(i) - Use of LOTO device on equipment placed in "out of service" status not related to servicing or maintenance.
47 - 1910.147, 1910.147(a)(1)(i), 1910.147(c)(5)(ii) - Use of LOTO device on equipment placed in "out of service" status not related to servicing or maintenance.
48 - 1910.147(f)(1) - Several questions regarding OSHA's LOTO and Bakery standards 29 CFR 1910.147 and 1910.263.
49 - 1910.147(b) - Several questions regarding OSHA's LOTO and Bakery standards 29 CFR 1910.147 and 1910.263.
50 - 1910.147(a)(2)(ii) - Several questions regarding OSHA's LOTO and Bakery standards 29 CFR 1910.147 and 1910.263.
51 - 1910.147, 1910.147(a)(2)(ii), 1910.147(b), 1910.147(f)(1) - Several questions regarding OSHA's LOTO and Bakery standards 29 CFR 1910.147 and 1910.263.
52 - 1910.147 - Clarification about 29 CFR 1910.333 and 29 CFR 1910.147 as they relate to work inside an electrical panel and on related equipment.
53 - 1910.147(c)(4)(ii) - PSM compliance for ammonia refrigeration systems.
54 - 1910.147, 1910.147(c)(4)(ii) - PSM compliance for ammonia refrigeration systems.
55 - 1910.147(c)(4)(i) - Use of additional lock on a conveyor and baler system exceeds one lockout device.
56 - 1910.147, 1910.147(c)(4)(i) - Use of additional lock on a conveyor and baler system exceeds one lockout device.
57 - 1910.147(a)(2)(ii) - Interlock requirements for access door(s) of trash compactor.
58 - 1910.147, 1910.147(a)(2)(ii) - Interlock requirements for access door(s) of trash compactor.
59 - 1910.147(c)(7)(i) - Training programs for the Control of Hazardous Energy (LOTO) and for the Hazard Communication standard are not satisfied solely by merely providing employees written documentation.
60 - 1910.147, 1910.147(c)(7)(i) - Training programs for the Control of Hazardous Energy (LOTO) and for the Hazard Communication standard are not satisfied solely by merely providing employees written documentation.
61 - 1910.147(a)(2)(iii)(A) - Lockout/tagout requirements for servicing manually-controlled vertical/horizontal milling machine and drill press tool changes.
62 - 1910.147(a)(2)(ii) - Lockout/tagout requirements for servicing manually-controlled vertical/horizontal milling machine and drill press tool changes.
63 - 1910.147, 1910.147(a)(2)(ii), 1910.147(a)(2)(iii)(A) - Lockout/tagout requirements for servicing manually-controlled vertical/horizontal milling machine and drill press tool changes.
64 - 1910.147 - Machine guarding and exposure to hazards from robotic laundry shuttles.
65 - 1910.147(c)(7)(iv) - Hazardous energy control lockout/tagout (LOTO) program documentation and certification requirements.
66 - 1910.147(c)(7) - Hazardous energy control lockout/tagout (LOTO) program documentation and certification requirements.
67 - 1910.147(c)(6) - Hazardous energy control lockout/tagout (LOTO) program documentation and certification requirements.
68 - 1910.147(c)(5) - Hazardous energy control lockout/tagout (LOTO) program documentation and certification requirements.
69 - 1910.147(c)(4) - Hazardous energy control lockout/tagout (LOTO) program documentation and certification requirements.
70 - 1910.147(c) - Hazardous energy control lockout/tagout (LOTO) program documentation and certification requirements.
71 - 1910.147(f)(1) - Lock out/Tag out (LOTO) requirements for die-setting operations in hydraulic power presses.
72 - 1910.147(d) - Lock out/Tag out (LOTO) requirements for die-setting operations in hydraulic power presses.
73 - 1910.147(b) - Lock out/Tag out (LOTO) requirements for die-setting operations in hydraulic power presses.
74 - 1910.147(a)(2)(ii) - Lock out/Tag out (LOTO) requirements for die-setting operations in hydraulic power presses.
75 - 1910.147, 1910.147(a)(2)(ii), 1910.147(b), 1910.147(d), 1910.147(f)(1) - Lock out/Tag out (LOTO) requirements for die-setting operations in hydraulic power presses.
76 - 1910.147 - OSHA does not test, approve, certify, or endorse any equipment, product, or procedure, including machine design and risk assessment techniques.
77 - 1910.147(c)(5) - LOTO: Use of heavy-duty nylon cable ties as lockout devices in lieu of chains and locks.
78 - 1910.147(c)(3) - LOTO: Use of heavy-duty nylon cable ties as lockout devices in lieu of chains and locks.
79 - 1910.147(c)(5)(i) - LOTO: Use of heavy-duty nylon cable ties as lockout devices in lieu of chains and locks.
80 - 1910.147, 1910.147(c)(5)(i), 1910.147(c)(3), 1910.147(c)(5) - LOTO: Use of heavy-duty nylon cable ties as lockout devices in lieu of chains and locks.
81 - 1910.147(c)(4)(ii) - Recognition of ANSI/ASSE Z244.1 "Control of Hazardous Energy - Lockout/Tagout and Alternative Methods" consensus standard
82 - 1910.147, 1910.147(c)(4)(ii) - Recognition of ANSI/ASSE Z244.1 "Control of Hazardous Energy - Lockout/Tagout and Alternative Methods" consensus standard
83 - 1910.147(a)(2)(ii) - LOTO: minor servicing exemption and the use of a lockable on/off switch as an alternate measure to provide effective protection.
84 - 1910.147, 1910.147(a)(2)(ii) - LOTO: minor servicing exemption and the use of a lockable on/off switch as an alternate measure to provide effective protection.
85 - 1910.147(a)(3)(ii) - Printing Industry: Lock Out/Tag Out and the essential elements of the inch-safe-service technique
86 - 1910.147(a)(2)(ii) - Printing Industry: Lock Out/Tag Out and the essential elements of the inch-safe-service technique
87 - 1910.147(f)(1) - Printing Industry: Lock Out/Tag Out and the essential elements of the inch-safe-service technique
88 - 1910.147, 1910.147(f)(1), 1910.147(a)(2)(ii), 1910.147(a)(3)(ii) - Printing Industry: Lock Out/Tag Out and the essential elements of the inch-safe-service technique
89 - 1910.147(c)(7)(iv) - Lock out/Tag out periodic inspection requirements.
90 - 1910.147(c)(7)(iii) - Lock out/Tag out periodic inspection requirements.
91 - 1910.147(c)(6)(i)(D) - Lock out/Tag out periodic inspection requirements.
92 - 1910.147(c)(6)(i)(C) - Lock out/Tag out periodic inspection requirements.
93 - 1910.147(c)(6)(i)(B) - Lock out/Tag out periodic inspection requirements.
94 - 1910.147(c)(6)(i) - Lock out/Tag out periodic inspection requirements.
95 - 1910.147(c)(6) - Lock out/Tag out periodic inspection requirements.
96 - 1910.147, 1910.147(c)(6), 1910.147(c)(6)(i), 1910.147(c)(6)(i)(B), 1910.147(c)(6)(i)(C), 1910.147(c)(6)(i)(D), 1910.147(c)(7)(iii), 1910.147(c)(7)(iv) - Lock out/Tag out periodic inspection requirements.
97 - 1910.147(f)(3) - Clarification of "authorized" and "affected" employees and proper energy control procedures.
98 - 1910.147(f)(3)(ii) - Clarification of "authorized" and "affected" employees and proper energy control procedures.
99 - 1910.147(d)(4)(i) - Clarification of "authorized" and "affected" employees and proper energy control procedures.
100 - 1910.147(d) - Clarification of "authorized" and "affected" employees and proper energy control procedures.
101 - 1910.147(c)(7)(i) - Clarification of "authorized" and "affected" employees and proper energy control procedures.
102 - 1910.147(c)(4) - Clarification of "authorized" and "affected" employees and proper energy control procedures.
103 - 1910.147(b) - Clarification of "authorized" and "affected" employees and proper energy control procedures.
104 - 1910.147(c)(1) - Motor-control-circuit switches and relays are prohibited from being used as energy isolating devices.
105 - 1910.147(a)(2)(ii) - Motor-control-circuit switches and relays are prohibited from being used as energy isolating devices.
106 - 1910.147, 1910.147(c)(1), 1910.147(a)(2)(ii) - Motor-control-circuit switches and relays are prohibited from being used as energy isolating devices.
107 - 1910.147 - Response to Edison Electric Institute's concerns regarding draft Instruction CPL 2-1.18A, "Enforcement of the Electric Power Generation, Transmission and Distribution Standard."
108 - 1910.147(a)(2)(ii) - Clarification on the USPS's lockout/tagout procedures and minor servicing operations for the multiple line optical character recognition sorter.
109 - 1910.147, 1910.147(a)(2)(ii) - Clarification on the USPS's lockout/tagout procedures and minor servicing operations for the multiple line optical character recognition sorter.
110 - 1910.147(c)(2)(iii) - Acceptability of modifying a standard on/off switch to provide lockout capability to a machine.
111 - 1910.147(c)(3) - Acceptability of modifying a standard on/off switch to provide lockout capability to a machine.
112 - 1910.147, 1910.147(c)(3), 1910.147(c)(2)(iii) - Acceptability of modifying a standard on/off switch to provide lockout capability to a machine.
113 - 1910.147(d)(1) - Requirements for developing sufficiently-detailed written procedures for all machinery/equipment lockout/tagout.
114 - 1910.147(c)(4)(ii) - Requirements for developing sufficiently-detailed written procedures for all machinery/equipment lockout/tagout.
115 - 1910.147(c)(4)(ii), 1910.147(d)(1), 1910.147 - Requirements for developing sufficiently-detailed written procedures for all machinery/equipment lockout/tagout.
116 - 1910.147 - Applicability of the confined-space standard to dock-leveler pits.
117 - 1910.147(c)(5)(ii)(B) - Color is not the only prescribed factor for the standardization of LOTO devices.
118 - 1910.147, 1910.147(c)(5)(ii)(B) - Color is not the only prescribed factor for the standardization of LOTO devices.
119 - 1910.147(c)(5) - Use of verification tags for lockout.
120 - 1910.147, 1910.147(c)(5) - Use of verification tags for lockout.
121 - 1910.147(c)(5) - Guidance on approval requirments for general circuit breaker panel swich lockouts in General Industry.
122 - 1910.147(a)(2)(ii) - Scenario of a tool change process applied to Lock Out/Tag Out's service and maintenance exception.
123 - 1910.147(a)(2)(iii)(A) - Coverage of minor machine-servicing activities under the Lockout/Tagout standard.
124 - 1910.147(a)(2)(ii) - Coverage of minor machine-servicing activities under the Lockout/Tagout standard.
125 - 1910.147(d) - Authorized employees must have the opportunity to verify energy isolation in group lockout/tagout
126 - 1910.147(c)(2) - Authorized employees must have the opportunity to verify energy isolation in group lockout/tagout
127 - 1910.147(c)(7) - Required components of a LOTO inspection.
128 - 1910.147(c)(6) - Required components of a LOTO inspection.
129 - 1910.147 - Applicability of OSHA's LOTO standards; isolation and verification procedures.
130 - 1910.147(f)(3) - Authorized employees may, but are not required to, verify energy isolation in group LO/TO.
131 - 1910.147(b) - A lock is considered a lockout device.
132 - 1910.147(e)(3) - Evaluation of proposed modifications to the Bureau of Prisons' Lockout/Tagout (LOTO) procedures.
133 - 1910.147, 1910.147(e)(3) - Evaluation of proposed modifications to the Bureau of Prisons' Lockout/Tagout (LOTO) procedures.
134 - 1910.147(c)(5) - "Approval" of flexible corrugated plastic covers and generic circuit breaker panel switch lockouts.
135 - 1910.147(b) - Energy control procedures must be developed unless eight conditions met.
136 - 1910.147(c)(4)(i) - Energy control procedures must be developed unless eight conditions met.
137 - 1910.147(c)(3) - Lockout/tagout: preferred means of energy isolation; non cord-and-plug powered equipment.
138 - 1910.147(a)(2)(iii)(A) - Lockout/tagout: preferred means of energy isolation; non cord-and-plug powered equipment.
139 - 1910.147(e)(3) - Removal of lockout devices by persons other than those who applied them.
140 - 1910.147 - OSHA policies concerning employees working at home.
141 - 1910.147(a)(2)(ii) - Use of Monitored Power Systems for lockout/tagout.
142 - 1910.147(c)(1) - Use of Monitored Power Systems for lockout/tagout.
143 - 1910.147(b) - Use of Monitored Power Systems for lockout/tagout.
144 - 1910.147(d) - Verification procedures for group lockout/tagout.
145 - 1910.147 - OSHA policies concerning employees working at home.
146 - 1910.147 - LOTO of hydraulic systems; postal workers' exposure to hazardous material spills.
147 - 1910.147(d)(3) - Use of "generic" LOTO procedures in conjunction with "work authorization permits".
148 - 1910.147(c)(1) - Use of "generic" LOTO procedures in conjunction with "work authorization permits".
149 - 1910.147 - Lockout/tagout issues: "unexpected energization" and minor servicing operations.
150 - 1910.147(a)(2)(iii)(A) - OSHA enforcement policy on vertical food mixers.
151 - 1910.147(a)(2)(ii)(B) - OSHA enforcement policy on vertical food mixers.
152 - 1910.147(a)(2)(ii)(A) - OSHA enforcement policy on vertical food mixers.
153 - 1910.147, 1910.147(a)(2)(ii)(A), 1910.147(a)(2)(ii)(B), 1910.147(a)(2)(iii)(A) - OSHA enforcement policy on vertical food mixers.
154 - 1910.147(a)(2)(iii)(A) - Application of 1910.147 to the change out of a grinding wheel.
155 - 1910.147(a)(2)(ii) - Application of 1910.147 to the change out of a grinding wheel.
156 - 1910.147 - Workers must be protected from hazards of heated (hot) surfaces.
157 - 1910.147(c)(5)(ii)(D) - Identity of employee applying lockout and tagout devices.
158 - 1910.147 - Interpretation/variance with the energy isolation device requirements.
159 - 1910.147 - Control of hazardous energy (lockout/tagout) standard.
160 - 1910.147 - Request for Compliance Assistance on High Profile Case.
161 - 1910.147 - Clarification on entitlement of a copy of energy control program documentation at meat packing plant.
162 - 1910.147 - Permit-Required Confined Spaces and Lockout/Tagout.
163 - 1910.147 - Maintenance activities performed in oil and gas production operations.
164 - 1910.147 - Enforcement of the Control of Hazardous Energy (LOTO).
165 - 1910.147 - Consultants performing lockout/tagout periodic inspections.
166 - 1910.147 - Food Inspectors lockout/tagout procedures.
167 - 1910.147 - Voluntary safety and health audits under the Occupational Safety and Health Act
168 - 1910.147 - Occupational Safety and Health Administration's Bakery Equipment Standard.
169 - 1910.147 - Lockout/tagout procedures; training; annual inspection; outside personnel.
170 - 1910.147 - Machine guarding.
171 - 1910.147 - Electrical generators in hospitals and the control of hazardous energy.
172 - 1910.147(c)(4)(i) - Permit-required confined spaces and control of hazardous energy; vehicle LOTO.
173 - 1910.147(a) - Permit-required confined spaces and control of hazardous energy; vehicle LOTO.
174 - 1910.147 - Guidance in determining whether elevator pits meet the definition of confined spaces.
175 - 1910.147 - Interpretation of the Process Safety Management of Highly Hazardous Chemicals Standard.
176 - 1910.147 - Certain provisions of the Occupational Safety and Health Administration's (OSHA's) lockout/tagout standard.
177 - 1910.147 - The Lockout/Tagout Standard.
178 - 1910.147 - Lockout/Tagout Citations Against the USDA.
179 - 1910.147 - Interpretation on the control of hazardous energy (lockout/tagout) standard.
180 - 1910.147 - Lockout/Tagout Citations Against the USDA.
181 - 1910.147 - Clarification concerning the Electric Power Generation, Transmission, and Distribution standard.
182 - 1910.147(c)(4) - Lockout/tagout procedures, including work permits and groups of machines/equipment.
183 - 1910.147 - Authorized employees and periodic lockout/tagout inspections.
184 - 1910.147 - Clarification of the Control of Hazardous Energy (Lockout/Tagout) Standard.
185 - 1910.147 - Control of Hazardous Energy (Lockout/Tagout) standard.
186 - 1910.147 - Mechanical equipment, such as an unguarded agitator, posing a hazard within a permit space must be locked out or tagged.
187 - 1910.147 - OSHA's lockout/tagout standard is not applicable to maritime employment.
188 - 1910.147 - Permit-Required Confined Spaces: metal container curing ovens.
189 - 1910.147 - Applicablility of the lockout/tagout standards.
190 - 1910.147 - Cord and plug connected electric equipment.
191 - 1910.147 - Applicability of the Machine Guarding and Lockout/Tagout standards to printing presses
192 - 1910.147 - Is Lockout/Tagout applicable to television transmission towers.
193 - 1910.147 - Lockout/tagout as applies to contractor employers with employees at electric power generation, transmission and distribution work sites.
194 - 1910.147 - Review of Panduit's lockout/tagout training video.
195 - 1910.147 - Printing Presses: requirements for normal production and servicing operations
196 - 1910.147 - Energy control devices lockable design requiremnets.
197 - 1910.147 - Interpretation of 29 CFR 1910.147 - Lockout Devices.
198 - 1910.147 - Electrical safety related work practices standard.
199 - 1910.147 - Use of automatic equipment for the machining of connecting rods, crankshafts, cylinder heads and engine blocks.
200 - 1910.147 - Continued enforcement of Lockout/Tagout Standard
201 - 1910.147 - Requirements relating to the operation of a two-spindle reaming/drilling/threading machine in a set-up mode.
202 - 1910.147 - Article in Magazine Containing Incorrect Information About Lockout/Tagout Requirements.
203 - 1910.147 - Lockout/Tagout for circuit breaker blocking and locking devices.
204 - 1910.147 - Motor starter circuits and energy isolation devices
205 - 1910.147 - Confirmation on lockout/tagout, specifically with the standard covering periodic inspections.
206 - 1910.147 - Lockout/Tagout with regards to the cleanup and sanitizing of machinery and equipment in the meatpacking industry.
207 - 1910.147 - Regulations requiring bus maintenance facilities to use safety stands when maintenance personnel are working under buses which have been raised by in-ground or portable vehicle hoists.
208 - 1910.147 - Interpretation of 1910.147, related to floating fish processors.
209 - 1910.147 - Whether or not OSHA Standard 1910.147, lockout/tagout would apply to motor vehicles.
210 - 1910.147 - Work permits in lockout/tagout standard requirements
211 - 1910.147 - Compliance with 1910.147 using the new Block-Out safety product line.
212 - 1910.147(c)(2)(iii) - The obligations and responsibilities of machine manufacturers under the lockout/tagout standard.
213 - 1910.147, 1910.147(c)(2)(iii) - The obligations and responsibilities of machine manufacturers under the lockout/tagout standard.
214 - 1910.147(f)(3) - Control of Hazardous Energy Sources (Group Lockout/Tagout).
215 - 1910.147 - Lockout/Tagout-Corrugated Metal Industry.
216 - 1910.147 - Control of Hazardous Energy Sources Lockout/Tagout.
217 - 1910.147 - Guarding of machinery in bowling centers.
218 - 1910.147 - Concerning the new lockout/tagout standard.
219 - 1910.147 - Control of Hazardous Energy Sources (lockout/tagout).