#	Letters of Interpretation
1	12/12/2012 - 1910.333(b)(2)(iv)(B) - Whether an LED type device ca be used for the isolation and deenergization verification requirements of 1910.147 and 1910.333.
2	12/12/2012 - 1910.333(b)(2)(iii)(D) - Whether an LED type device ca be used for the isolation and deenergization verification requirements of 1910.147 and 1910.333.
3	12/12/2012 - 1910.333(b)(2), 1910.333(b)(2)(iii)(D), 1910.333(b)(2)(iv)(B) - Whether an LED type device ca be used for the isolation and deenergization verification requirements of 1910.147 and 1910.333.
4	11/14/2006 - 1910.333(b)(2) - OSHA requirements for warning signs and protection from electric-arc-flash hazards and compliance with NFPA 70E-2004.
5	07/28/2006 - 1910.333(b)(2)(iii)(E) - Clarification about 29 CFR 1910.333 and 29 CFR 1910.147 as they relate to work inside an electrical panel and on related equipment.
6	07/28/2006 - 1910.333(b)(2), 1910.333(b)(2)(iii)(E) - Clarification about 29 CFR 1910.333 and 29 CFR 1910.147 as they relate to work inside an electrical panel and on related equipment.
7	10/27/2005 - 1910.333(b)(2) - Acceptability of using a light switch as a disconnecting means for the electrical lockout/tagout standard.
8	07/10/2000 - 1910.333(b)(2)(v)(C) - Evaluation of proposed modifications to the Bureau of Prisons' Lockout/Tagout (LOTO) procedures.
9	07/10/2000 - 1910.333(b)(2), 1910.333(b)(2)(v)(C) - Evaluation of proposed modifications to the Bureau of Prisons' Lockout/Tagout (LOTO) procedures.