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working on electrical live panel

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Safe Work Procedure: Working on Electrical Live Panel

Document Number: [SWP-NUMBER] Revision Date: [DATE] Next Review Date: [NEXT REVIEW DATE] Department: [DEPARTMENT NAME]

1. Scope

This Safe Work Procedure (SWP) outlines the necessary safety precautions and procedures to be followed when working on electrical live panels. It applies to all personnel who are required to perform tasks on or near live electrical equipment. This procedure aims to minimize the risk of electrical shock, burns, arc flash, and other hazards associated with live electrical work.

This SWP is applicable in any work environment where electrical live panels need to be accessed or worked on, including but not limited to:

  • Industrial facilities
  • Commercial buildings
  • Residential settings
  • Outdoor electrical installations

This SWP should be used in conjunction with the following related procedures and documents:

  • Lockout/Tagout Procedures
  • Electrical Safety Standards
  • Personal Protective Equipment (PPE) Guidelines
  • Emergency Response Plan

2. Definitions

Live Electrical Panel: An electrical panel that has energized circuits and components.

Qualified Person: An individual with the necessary training, skills, and knowledge to work safely on or near energized electrical equipment.

Arc Flash: A dangerous condition associated with the release of energy caused by an electrical arc.

3. Responsibilities

3.1 Supervisors

  • Ensure that all workers are qualified and trained to perform the assigned tasks safely.
  • Provide the necessary tools, equipment, and PPE for the job.
  • Conduct a pre-job briefing to discuss the scope of work, potential hazards, and control measures.
  • Monitor the work to ensure that safety procedures are followed.
  • Ensure all workers are aware of emergency procedures.

3.2 Workers

  • Participate in required training and demonstrate competency in electrical safety practices.
  • Inspect tools and equipment before use to ensure they are in good working condition.
  • Use the correct PPE for the task.
  • Follow all safety procedures and instructions provided by the supervisor.
  • Report any hazards or unsafe conditions to the supervisor immediately.

3.3 Health and Safety Representative

  • Assist in the development and review of safe work procedures.
  • Conduct regular safety inspections to identify potential hazards.
  • Provide guidance and support to supervisors and workers on safety-related matters.
  • Investigate incidents and near-misses to determine root causes and recommend corrective actions.

4. Potential Hazards and Risks

HazardRiskControl Measures
Electrical ShockElectrocution, burns, cardiac arrestDe-energize the circuit whenever possible, use insulated tools, wear appropriate PPE (e.g., insulated gloves, safety glasses)
Arc FlashSevere burns, blindness, hearing lossWear appropriate arc-rated PPE, maintain safe working distance, use remote switching devices
Exposure to dustRespiratory irritation, lung damageProvide adequate local exhaust ventilation to maintain worker exposure below exposure limits [1], respiratory protection must be provided [2].
Slip, trip, and fall hazardsInjuries ranging from minor bruises to fracturesMaintain a clean and organized work area, use appropriate footwear, ensure adequate lighting
Hazardous MaterialsMay cause allergic reaction [3]Avoid contact with eyes. Avoid prolonged or repeated skin contact with this material 3, 5.

5. Personal Protective Equipment (PPE)

Always use proper PPE. [4]

  • Insulated Gloves - Protects hands from electrical shock and burns. Inspect before each use for damage (holes, tears) and use with leather protectors.
  • Safety Glasses or Face Shield - Protects eyes from arc flash, flying debris, and chemical splashes. Ensure the face shield is arc-rated if potential for arc flash exists.
  • Arc-Rated Clothing - Protects the body from burns in the event of an arc flash. Select appropriate arc rating based on the potential incident energy exposure.
  • Insulated Tools - Prevents electrical current from traveling through the tool to the user. Inspect tools for damage before each use.
  • Hearing Protection - Protects hearing from loud noises during certain electrical tasks. Use earplugs or earmuffs in noisy environments.

Inspect PPE before each use for damage, wear and cleanliness. Replace damaged or worn PPE immediately. Store PPE in a clean, dry place when not in use.

6. Equipment and Tools

Always use proper equipment and tools.

  • Voltage Tester - Used to verify that circuits are de-energized before starting work. Ensure the tester is properly calibrated and functioning correctly.
  • Insulated Screwdrivers and Pliers - Used for tightening and loosening screws and cutting wires safely. Inspect for damage to the insulation before each use.
  • Multimeter - Used for measuring voltage, current, and resistance in electrical circuits. Ensure the meter is properly calibrated and functioning correctly.
  • Arc Flash Suit - Used to protect workers from arc flash hazards.
  • Grounding Equipment - Used to ground electrical equipment to prevent the buildup of static electricity.

Inspect equipment and tools before each use for damage or defects. Remove any damaged equipment from service. Follow manufacturer's instructions for proper use and maintenance.

7. Pre-Job Requirements

7.1 Training and Competency

  • All workers must have completed a recognized electrical safety training program.
  • Workers must be qualified to work on or near energized electrical equipment.
  • Training must be current and documented.

7.2 Pre-Job Briefing

  • Conduct a pre-job briefing with all workers involved in the task.
  • Discuss the scope of work, potential hazards, and control measures.
  • Review the safe work procedure and emergency procedures.
  • Ensure all workers understand their roles and responsibilities.

7.3 Work Area Preparation

  • Identify and clearly mark the work area.
  • Ensure adequate lighting is available.
  • Remove any obstructions or slip/trip hazards from the work area.
  • Set up barriers or warning signs to prevent unauthorized access to the work area.

8. Safe Work Procedure Steps

Step 1: Planning and Preparation

Detailed description of step 1:

  • Review the work order and identify the specific tasks to be performed.
  • Identify all potential hazards associated with the work.
  • Select the appropriate tools, equipment, and PPE for the job.
  • Notify supervisor and other relevant personnel before commencing work.

Safety considerations for this step: Ensure that all workers are aware of the potential hazards and control measures.

Step 2: De-energizing and Lockout/Tagout (If Possible)

Detailed description of step 2:

  • De-energize the electrical circuit or equipment whenever possible.
  • Verify that the circuit is de-energized using a voltage tester.
  • Apply lockout/tagout devices to prevent accidental re-energization.
  • Follow the established lockout/tagout procedures.

Safety considerations for this step: Always verify that the circuit is de-energized before starting work, even if lockout/tagout procedures have been followed.

Step 3: Working on Live Electrical Panel (If De-energizing is Not Possible)

Detailed description of step 3:

  • Ensure only qualified personnel perform work on live electrical panels.
  • Wear appropriate arc-rated PPE, including arc flash suit, gloves, and face shield.
  • Use insulated tools and equipment.
  • Maintain a safe working distance from energized parts.
  • Use barriers or shields to protect against arc flash.

Safety considerations for this step: Never work alone on live electrical panels. Have a spotter present who is trained in emergency procedures.

9. Precautions and Safety Measures

  • Maintain a Safe Work Area - Keep the work area clean, dry, and free of obstructions.
  • Use Insulated Tools - Always use insulated tools when working on or near energized electrical equipment.
  • Avoid Distractions - Focus on the task at hand and avoid distractions.
  • Communicate Effectively - Communicate clearly with other workers to ensure everyone is aware of the work being performed.
  • Follow Procedures - Adhere to all established safety procedures and guidelines.

10. Emergency Procedures

10.1 General Emergency Response

  • In the event of an emergency, immediately stop work and assess the situation.
  • Ensure the safety of all personnel.
  • Activate the emergency alarm system.
  • Evacuate the area if necessary.
  • Provide first aid to injured personnel.

10.2 Specific Emergency Scenarios

  • Electrical Shock - De-energize the circuit if possible. Use a non-conductive object to separate the victim from the electrical source. Administer first aid and call for medical assistance.
  • Arc Flash - Evacuate the area. Provide first aid for burns and call for medical assistance.
  • Fire - Activate the fire alarm system. Evacuate the area and attempt to extinguish the fire if it is safe to do so.

10.3 Emergency Contact Information

  • Emergency Services: 911
  • [Emergency Contact 1]: [PHONE NUMBER]
  • [Emergency Contact 2]: [PHONE NUMBER]

11. Incident Reporting and Investigation

  • All incidents, near-misses, and hazards must be reported to the supervisor immediately.
  • The supervisor will investigate the incident to determine the root cause and recommend corrective actions.
  • A written report will be prepared and submitted to the health and safety department.

Approved by: [NAME AND POSITION] Date: [APPROVAL DATE]

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4 source record(s)

Sources used for this answer

[1] LIQUID NAILS Paneling & Molding Interior Construction Adhesive (Low-VOC)

Page 2

Open source document

Source excerpt

# SAFETY DATA SHEET (cont.) ## Section 2. Hazards identification (cont.) Product code 00407682 # Product name LN-710 PANELING VOC AHE71024TN0 # Section 2. Hazards identification Hazard pictograms : Date of issue 3 May 2025 Version 18 <table><tr><th>Signal word</th><th>: Danger</th></tr><tr><td>Hazard statements</td><td>: May cause cancer.</td></tr><tr><td>Precautionary statements</td><td></td></tr><tr><td>Prevention</td><td>: Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Wear protective gloves, protective clothing and eye or face protection.</td></tr><tr><td>Response</td><td>: IF exposed or concerned: Get medical advice or attention.</td></tr><tr><td>Storage</td><td>: Store locked up.</td></tr><tr><td>Disposal</td><td>: Dispose of contents and container in accordance with all local, regional, national and international regulations.</td></tr><tr><td>Supplemental label elements</td><td>: Contains isothiazolinones. May cause allergic reaction. Sanding and grinding dusts may be harmful if inhaled. This product contains crystalline silica which can cause lung cancer or silicosis. The risk of cancer depends on the duration and level of exposure to dust from sanding surfaces or mist from spray applications. This product either contains formaldehyde or is capable of releasing formaldehyde above 0.5 ppm under certain conditions. Formaldehyde is a known cancer hazard, a skin sensitizer and a respiratory sensitizer. Emits toxic fumes when heated.</td></tr><tr><td>Hazards not otherwise classified</td><td>: None known.</td></tr></table> ## Section 3. Composition/information on ingredients Substance/mixture Product name : Mixture : LN-710 PANELING VOC AHE71024TN0 <table><tr><th>Ingredient name</th><th>%</th><th>CAS number</th></tr><tr><td>imestone</td><td>≥20 &lt;50</td><td>1317-65-3</td></tr><tr><td>Kaolin</td><td>&gt;5.0 &lt;10</td><td>1332-58-7</td></tr><tr><td>crystalline silica, non-respirabl…

[2] LIQUID NAILS Paneling & Molding Interior Construction Adhesive (Low-VOC)

Page 7

Open source document

Source excerpt

# Section 8. Exposure controls/personal protection (cont.) ## Individual protection measures (cont.) Product code 00407682 Date of issue 3 May 2025 Version 18 # Product name LN-710 PANELING VOC AHE71024TN0 ## Section 8. Exposure controls/personal protection <table><tr><th>Gloves</th><th>: For prolonged or repeated handling, use the following type of gloves:</th></tr><tr><td></td><td>Recommended: nitrile rubber</td></tr><tr><td>Body protection</td><td>: Personal protective equipment for the body should be selected based on the task being performed and the risks involved and should be approved by a specialist before handling this product.</td></tr><tr><td>Other skin protection</td><td>: Appropriate footwear and any additional skin protection measures should be selected based on the task being performed and the risks involved and should be approved by a specialist before handling this product.</td></tr><tr><td>Respiratory protection</td><td>: Respirator selection must be based on known or anticipated exposure levels, the hazards of the product and the safe working limits of the selected respirator. If workers are exposed to concentrations above the exposure limit, they must use appropriate, certified respirators. Use a properly fitted, air-purifying or air-fed respirator complying with an approved standard if a risk assessment indicates this is necessary. The respiratory protection shall be in accordance to 29 CFR 1910.134.</td></tr></table> ## Section 9. Physical and chemical properties ## Appearance <table><tr><th>Physical state</th><th>: Liquid.</th></tr><tr><td>Color</td><td>: Tan.</td></tr><tr><td>Odor</td><td>: Characteristic.</td></tr><tr><td>Odor threshold</td><td>: Not available.</td></tr><tr><td>pH</td><td>: 8</td></tr><tr><td>Melting point</td><td>: Not available.</td></tr><tr><td>Boiling point</td><td>: 100°C (212°F)</td></tr><tr><td>Flash point</td><td>: Closed cup: Not applicable. [Product does not sustain combustion.]</td></tr><tr><td>Auto-igni…

[3] Loctite Power Grab All Purpose

Page 3

Open source document

Source excerpt

## 8. EXPOSURE CONTROLS I PERSONAL PROTECTION (cont.) <table><tr><th>Engineering controls:</th><th>Provide local and general exhaust ventilation to effectively remove and prevent buildup of any vapors or mists generated from the handling of this product.</th></tr><tr><td>Respiratory protection:</td><td>If ventilation is not sufficient to effectively prevent buildup of aerosols, mists or vapors, appropriate NIOSH/MSHA respiratory protection must be provided.</td></tr><tr><td>Eye/face protection:</td><td>Safety goggles or safety glasses with side shields.</td></tr><tr><td>Skin protection:</td><td>Use impermeable gloves and protective clothing as necessary to prevent skin contact.</td></tr></table> ## 9. PHYSICAL AND CHEMICAL PROPERTIES <table><tr><th>Physical state:</th><th>Liquid</th></tr><tr><td>Color:</td><td>White</td></tr><tr><td>Odor:</td><td>Not available.</td></tr><tr><td>Odor threshold:</td><td>Not available.</td></tr><tr><td>pH:</td><td>7.3 8.5</td></tr><tr><td>Vapor pressure:</td><td>17.5 mbar (20 °C (68°F)) no method / method unknown</td></tr><tr><td>Boiling point/range:</td><td>&gt; 100 °C (&gt; 212°F)</td></tr><tr><td>Melting point/ range:</td><td>Not available.</td></tr><tr><td>Specific gravity:</td><td>1.3</td></tr><tr><td>Vapor density:</td><td>Heavier than air, (Air = 1)</td></tr><tr><td>Flash point:</td><td>&gt; 93.3 °C (&gt; 199.94 °F) no method / method unknown</td></tr><tr><td>Flammable/Explosive limits - lower:</td><td>Not available.</td></tr><tr><td>Flammable/Explosive limits - upper:</td><td>Not available.</td></tr><tr><td>Autoignition temperature:</td><td>Not available.</td></tr><tr><td>Flammability:</td><td>Not applicable</td></tr><tr><td>Evaporation rate:</td><td>0.3 (Butyl acetate = 1)</td></tr><tr><td>Solubility in water:</td><td>Soluble</td></tr><tr><td>Partition coefficient (n-octanol/water):</td><td>Not available.</td></tr><tr><td>VOC content:</td><td>0.1 %; 14 g/l (by weight, calculated using CARB method; g/L less water, less exemp…

[4] Loctite Epoxy Marine - Hardener

Page 4

Open source document

Source excerpt

# 8. EXPOSURE CONTROLS I PERSONAL PROTECTION Employers should complete an assessment of all workplaces to determine the need for, and selection of, proper exposure controls and protective equipment for each task performed. <table><tr><th>Hazardous Component(s)</th><th>ACGIH TLV</th><th>OSHA PEL</th><th>AIHA WEEL</th><th>OTHER</th></tr><tr><td>Quartz (SiO2), &lt;1% respirable</td><td>0.025 mg/m3 TWA Respirable fraction.</td><td>0.05 mg/m3 TWA (Respirable dust.) (Respirable dust.) 0.025 mg/m3 OSHA ACT (Respirable dust.) 0.05 mg/m3 PEL Respirable dust. 2.4 MPPCF TWA Respirable. 0.1 mg/m3 TWA Respirable.</td><td>None</td><td>None</td></tr><tr><td>Limestone</td><td>10 mg/m3 TWA Inhalable particles. 3 mg/m3 TWA Respirable particles. 10 mg/m3 TWA Total dust.</td><td>5 mg/m3 PEL Respirable fraction. 15 mg/m3 PEL Total dust. 5 mg/m3 TWA Respirable fraction. 50 MPPCF TWA Total dust. 15 mg/m3 TWA Total dust. 15 MPPCF TWA Respirable fraction.</td><td>None</td><td>None</td></tr><tr><td>benzyl alcohol</td><td>None</td><td>None</td><td>10 ppm (44.20 mg/m3) TWA</td><td>None</td></tr><tr><td>Calcium carbonate</td><td>3 mg/m3 TWA Respirable particles. 10 mg/m3 TWA Inhalable particles.</td><td>15 mg/m3 PEL Total dust. 5 mg/m3 PEL Respirable fraction. 15 mg/m3 TWA Total dust. 50 MPPCF TWA Total dust. 15 MPPCF TWA Respirable fraction. 5 mg/m3 TWA Respirable fraction. 15 mg/m3 PEL Total dust. 5 mg/m3 PEL Respirable fraction.</td><td>None</td><td>None</td></tr><tr><td>3- Aminomethyl-3,5,5- trimethylcyclohexylamine</td><td>None</td><td>None</td><td>None</td><td>None</td></tr><tr><td>1,3-Propanediamine, N-[3- (tridecyloxy)propyl]-, branched</td><td>None</td><td>None</td><td>None</td><td>None</td></tr><tr><td>Titanium dioxide</td><td>0.2 mg/m3 TWA Respirable nanoscale particles 2.5 mg/m3 TWA Respirable finescale particles</td><td>15 mg/m3 PEL Total dust. 15 MPPCF TWA Respirable fraction. 15 mg/m3 TWA Total dust. 50 MPPCF TWA Total dust. 5 mg/m3 TWA Respirable fraction.</td><td>None</td><td…

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