Electrical: Lesson Plan (OSHA 10-Hour General Industry Outreach)

The words on each page as the author wrote them, read from the file by software so they can be searched. Layout, pictures and tables are not shown here: the pages above and the download are the original.

1. Page 1

   IDENTIFICATION

   • TOPIC TITLE: ___Electrical___
   • MINIMUM TIME: ___1 hour ___
   • OBJECTIVES
   • Terminal Objective:
   • Given current OSHA and industry information regarding construction worksite illnesses, injuries, and/or fatalities, the student will be able to recognize how to protect themselves from electrical hazards.
   • Enabling Objectives:
   • 1. Identify major electrical hazards.
   • 2. Describe types of electrical hazards.
   • 3. Describe electrical protection methods.
   • 4. Recognize employer requirements to protect workers from electrical hazards.
   • INSTRUCTOR MATERIALS AND RESOURCES
   • PowerPoint presentation: Electrical
   • Knowledge Check Answer Key: Electrical
   • Internet access to show videos linked in PPT presentation
   • STUDENT MATERIALS
   • OSHA Fact Sheet: Working Safely with Electricity
   • Knowledge Check: Electrical
   • TEACHING PROCEDURES ---Preparation, Presentation, Application, Evaluation
   • Anticipatory Set (Focus Attention/Gain Interest)
   • Estimated Time: ?? ho urs
   • Key Points
   • Methods
   • Ask class to define electricity; also discuss related terms including: current, resistance, voltage, conductors, insulators, and grounding.
   • PPT slides #1 - #7
   • Ask the class if they can give an example of an electrical hazard that could cause a worker to be electrocuted.
   • Discuss the examples with the class.
2. Page 2
   • Show the below videos identifying two electrical hazards that caused fatalities. Discuss the videos with the class.
   • OSHA videos:
   • https://www.osha.gov/video/shipyard_accidents/08_welder_electrocuted.html
   • Runtime: 00:02:23
   • https://www.osha.gov/video/shipyard_accidents/15_lockout_tagout_failure.html
   • Runtime: 00:01:56
   • Presentation (Instruction) ___
   • Estimated Time: ?? ho urs
   • Key Points
   • Methods
   • I. Identify major electrical hazards
   • PPT slides #8 - #18
   • A. BE SAFE
   • 1. Burns
   • 2. Electrocution
   • 3. Shock
   • 4. Arc Flash/Arc Blast
   • 5. Fire
   • 6. Explosions
   • B. Examples of fatal accidents
   • 1. Case #1 – worker electrocuted when ladder contacts overhead power lines
   • 2. Case #2 – worker electrocuted when mast on drilling truck contacts high voltage overhead lines
   • 3. Case #3 – worker electrocuted while changing energized ballast on light fixture and falls from an 8’ ladder onto a concrete floor.
   • C. Statistics
   • NOTE:
   • For the most current statistical
   • 1. 156 e lectrocutions in 2014 data, or for more detail, see:
   • 2. 141 e lectrocutions in 2013 http://www.bls.gov/iif/
3. Page 3

   II. Describe types of electrical hazards

   • PPT slides #19 - #31
   • A. Contact with overhead power lines
   • 1. Can carry extremely high voltage
   • 2. Risks
   • a. Electrocution
   • b. Burns and falls
   • 3. Cranes, ladders, aerial lifts, equipment with lengthy extensions can all contact overhead lines
   • 4. Video:
   • https://www.osha.gov/dts/vtools/construction/ladder_powerline_fnl_eng_web.html
   • Runtime: 00:05:39
   • B. Contact with energized sources
   • 1. Live parts
   • 2. Damaged or bare wires
   • 3. Defective equipment or tools
   • 4. Improper repairs
   • C. Improper use
   • 1. Extension cords
   • 2. Power strips
   • 3. Portable heaters and appliances
   • III. Describe electrical protection methods
   • PPT slides #32 - #44
   • A. Maintain safe distance from overhead power lines
   • B. Use ground-fault circuit interrupters
   • C. Inspect portable tools extension cords
   • D. Use power tools and equipment as designed
   • 1. Common examples of misused equipment
   • 2. Tool safety tips
   • E. Follow lockout/tagout (LOTO) procedures
   • F. Power source identification
   • IV. Recognize employer requirements to protect workers from electrical hazards
   • PPT slides #45 - #46
   • A. Ensure overhead power line safety
   • B. Isolate electrical parts
   • C. Supply GFCI protection
   • D. Establish and implement an AEGCP
4. Page 4

   E. Ensure power tools are maintained in safe condition

   • F. Ensure proper guarding
   • G. Provide training
   • H. Enforce LOTO safety related work practices
   • I. Ensure proper use of flexible cords and power strips
   • J. Ensure proper identification of power sources
   • Application (How students apply what they learn) __
   • Estimated Time: ?? ho urs
   • Key Points
   • Methods
   • Show pictures of electrical hazards a nd have students explain ways to mitigate t he hazards.
   • PPT #47 - #48
   • Evaluation/Summary
   • Key Points
   • Methods
   • Knowledge Check: Electrical
   • PPT #49 - #55
5. Page 5

   References

   • OSHA Standard
   • https://www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=STANDARDS&p_id=10135
   • 1910.301 - Introduction.
   • 1910.302 - Electric utilization systems.
   • 1910.303 - General.
   • 1910.304 - Wiring design and protection.
   • 1910.305 - Wiring methods, components, and equipment for general use.
   • 1910.306 - Specific purpose equipment and installations.
   • 1910.307 - Hazardous (classified) locations.
   • 1910.308 - Special systems.
   • 1910.331 - Scope
   • 1910.332 - Training
   • 1910.333 - Selection and use of work practices
   • 1910.334 - Use of equipment.
   • 1910.335 - Safeguards for personnel protection.
   • OSHA Publications
   • Circuit Breakers: Incorrectly Refurbished Circuit Breakers Hazard Alert (2011) (English: HTML PDF*)
   • Electric Power: Electrical Protective Equipment Requirements (OSHA 3875 - 2016) (English: PDF*)
   • Electric Power: Fall Protection Requirements (OSHA 3874 - 2016) (English: PDF*)
   • Electric Power: Major Changes to the Rule (OSHA 3872 - 2016) (English: PDF*)
   • Electric Power: Minimum Approach Distance, Information Transfer and Training Requirements
   • (OSHA 3873 - 2016) (English: PDF*)
   • Electrical Hazards: Controlling Electrical Hazards (OSHA 3075 - 2002) (English: HTML PDF*)
   • Electrical Hazards: Downed Electrical Wires Fact Sheet (2005) (English: HTML PDF*)
   • Electrical Safety Hazards of Overloading Cable Trays Fact Sheet (2006) (English: HTML PDF*)
   • Electrical Safety QuickCard™ (OSHA 3294 - 2013) (English: HTML PDF*) (OSHA 3294 - 2013)
   • (Spanish: PDF*)
   • Electricity: Working Safely with Electricity Fact Sheet (English: HTML PDF*) (Spanish: PDF*)
   • Farmworker Electrocution: Fatal Facts (OSHA 3817 - 2015) (English: PDF*)
   • Generator Safety QuickCard™ (OSHA 3277 - 2005) (English: HTML PDF*) (Spanish: HTML PDF*)
6. Page 6
   • Hazards of Improper Elevator Controller Wiring (2004, August 16) (English: HTML PDF*)
   • Lockout/Tagout Fact Sheet (2002) (English: PDF*)
   • Possible Failure of Metal Halide Lamps (2000, September 13) (English: HTML PDF*)
   • Potential for Feed Water Pipes in Electrical Power Generation Facilities to Rupture Causing Hazardous Release of Steam and Hot Water (1996, October 31) (English: HTML)
   • Potential Hazards of Mislabeled Steel Toe Logger Boots (2004, September 30) (English: HTML PDF*)
   • Safely Installing, Maintaining and Inspecting Cable Trays (2009, January 16) (English: HTML PDF*)
   • Snow Removal: Falls and Other Hazards to Workers Removing Snow from Rooftops and Other Elevated Surfaces (OSHA 3513 - 2012) (English: HTML PDF*)
   • Special Purpose Particle Accelerators (2009, July 31) (English: HTML PDF*)
   • Tree Care Work: Electricity and Tree Care Work Pamphlet (OSHA 3861 - 2016) (English: PDF*) (OSHA
   • 3861 - 2016) (Spanish: PDF*)
   • Work Practices Employed by the Electric Utilities Industry Regarding Sulphur Hexaflouride Gas- Insulated Circuit Breakers (1989, January 30) (English: HTML)
   • OSHA References/Resources
   • Electrical Safety eTool:
   • http://www.osha.gov/SLTC/etools/construction/electrical_incidents/mainpage.html
   • Electrical Safety and Health Topics: http://www.osha.gov/SLTC/electrical/index.html
   • Electrical Safety-Related Work Practices – Inspection Procedures and Interpretation Guidelines https://www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=DIRECTIVES&p_id=1750
   • Electric Power Generation, Transmission, and Distribution; Electrical Protective Equipment; Corrections, https://www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=FEDERAL_REGISTER&p_id=24734
   • Other Resources
   • Preventing Worker Deaths and Injuries from Contacting Overhead Power Lines with Metal Ladders, http://www.cdc.gov/niosh/docs/wp-solutions/2007-155/pdfs/2007-155.pdf
   • Preventing Electrocutions of Crane Operators and Crew Members Working near Overhead Power Lines, http://www.cdc.gov/niosh/docs/95-108/
   • Preventing Injuries and Deaths from Metal- Reinforced Hydraulic Hoses, http://www.cdc.gov/niosh/docs/93-105/
   • Preventing Electrocutions during Work with Scaffolds near Overhead Power Lines, http://www.cdc.gov/niosh/docs/91-110/
7. Page 7
   • Preventing Electrocutions from Contact between Cranes and Power Lines, http://www.cdc.gov/niosh/docs/85-111/
   • Electrical Safety:
   • http://www.cdc.gov/niosh/topics/electrical/
   • Electrical Safety: Safety and Health for Electrical Trades Student Manual:
   • http://www.cdc.gov/niosh/docs/2009-113/default.html
   • Electrocutions during Work with Scaffolds near Overhead Power Lines:
   • http://www.cdc.gov/niosh/91-110.html
   • Fatality Assessment and Control Evaluation (FACE) Program:
   • http://www.cdc.gov/niosh/face/
   • NFPA 70E: Standard for Electrical Safety in the Workplace® http://www.nfpa.org/aboutthecodes/AboutTheCodes.asp?DocNum=70E
   • NIOSH Electrical Safety Manual:
   • http://www.cdc.gov/niosh/docs/2009-113/
   • NIOSH Face Reports:
   • http://www.cdc.gov/niosh/face/stateface.html
   • Portable Generator Safety Tips OSHA Quick Card:
   • Preventing Fatalities of Workers Who Contact Electrical Energy:
   • http://www.cdc.gov/niosh/87-103.html
   • Preventing Electrocutions Due to Damaged Receptacles and Connectors:
   • http://www.cdc.gov/niosh/87-100.html