For a solar installer working on a roof, the biggest risks are falls, electrical shock/arc flash, ladders and material handling, weather/heat, and falling objects. OSHA specifically identifies falls and electrical hazards as major solar-installation hazards.
Most important procedures
Have a fall-protection plan before getting on the roof.
For construction work, workers exposed to falls of 6 feet or more generally need appropriate protection such as guardrails, safety nets, or personal fall-arrest systems, subject to the applicable OSHA requirements.
Inspect harnesses, lanyards, lifelines, anchors, and connectors before use.
Use only properly rated anchor points and follow the manufacturer's installation/use requirements.
Plan for rescue after a fall—don't assume someone can simply climb back onto the roof.
Treat skylights, roof openings, and edges as fall hazards.
Guard or protect skylights; don't assume a skylight can support a worker's weight.
Establish safe travel paths before panels and equipment cover portions of the roof.
Control electrical hazards before touching PV equipment.
Remember that solar panels produce electricity whenever illuminated; turning off the building's main breaker does not necessarily make the PV array electrically dead.
Follow the system's shutdown procedure, applicable lockout/tagout requirements, and manufacturer instructions.
Only appropriately trained/qualified personnel should perform electrical work.
Watch for arc-flash and shock hazards when making or breaking PV connections.
Identify overhead power lines before setting up.
Keep ladders, panels, rails, tools, scaffolding, and other conductive materials away from energized lines. OSHA generally specifies a 10-foot minimum clearance for many construction situations, with additional requirements depending on voltage and circumstances.
Use ladders correctly.
Inspect ladders before use.
Set them on stable, level surfaces and secure them as required.
Maintain three points of contact when climbing.
Don't climb a ladder while carrying a solar panel. OSHA recommends mechanical lifting equipment such as ladder hoists, swing hoists, cranes, or conveyors where appropriate.
Control panels and materials being moved onto the roof.
Establish an exclusion zone below lifting operations.
Secure tools and materials so they can't slide or fall.
Don't overload scaffolds or roof areas.
Use proper lifting techniques and team/mechanical assistance for large modules.
Stop for dangerous weather and roof conditions.
Wet, icy, or frost-covered roofs can become extremely slippery.
High winds are particularly hazardous when handling large panels.
Account for lightning, rain, extreme heat, and rapidly changing conditions.
Establish clear criteria for stopping work rather than relying on individual judgment.
Prevent heat illness.
Provide water, appropriate rest/shade, acclimatization for new workers, and monitoring for heat illness.
Solar roofs can become substantially hotter than the surrounding air.
Wear appropriate PPE—but don't treat PPE as the primary control.
Typical PPE can include:
Hard hat
Safety glasses
Appropriate work gloves
Slip-resistant footwear
High-visibility clothing where appropriate
Electrical PPE appropriate to the task and hazard assessment
Fall-arrest equipment when required
Keep the work area organized.
Route cables and hoses so they don't create trip hazards.
Keep walkways clear.
Don't leave loose tools or hardware near roof edges.
Use tool/material containment where necessary to prevent objects from falling onto people below.
A good pre-job routine
Before anyone climbs onto the roof, the crew should be able to answer yes to these questions:
Is the roof structurally suitable for the work?
Have fall hazards and skylights been identified and controlled?
Is the fall-protection system installed correctly and inspected?
Are electrical hazards and PV shutdown/isolation procedures understood?
Have overhead power lines been identified and adequate clearance established?
Are ladders/scaffolds/lifts inspected and properly positioned?
Is there a plan for getting panels and materials onto the roof safely?
Are weather and heat conditions acceptable?
Is there a rescue/emergency plan and a way to communicate from the roof?
For U.S. installations, these should be supplemented by the applicable OSHA construction standards, state requirements, electrical code requirements, equipment manufacturer's instructions, and the employer's written safety program. OSHA's solar-specific guidance is a useful starting point.
If you're training a crew, the fall-protection + electrical-isolation + rescue plan should receive particular attention; those controls address several of the highest-consequence hazards.
Working on a roof for solar installation involves high-risk hazards like falls, electrical shock, and thermal burns. Here are the most critical safety procedures every solar installer must follow:
Fall protection implementation: Utilizing a personal fall arrest system (PFAS) including a full-body harness, a secure anchor point rated for at least $5000 lbs per attached worker, and a self-retracting lifeline or shock-absorbing lanyard. Roof edges must also have perimeter guarding or warning lines when working within specified distances.
Electrical hazard management: Treating all solar panels and DC circuits as live whenever light is present, since photovoltaic modules generate electricity immediately upon sun exposure. Installers must use insulated tools rated for high voltage and wear arc-flash protective gear when handling wiring.
Lockout/tagout (LOTO) protocols: Completely isolating the inverter and AC/DC disconnects before performing any wiring connections or servicing. Every energy source must be locked and tagged out to prevent accidental re-energization.
Ladder and material handling safety: Securing extension ladders at both the top and bottom, ensuring they extend at least 3 feet above the roof edge, and maintaining a 4:1 angle ratio. Using mechanical lifts, conveyors, or specialized rigging to hoist heavy panels up rather than manual lifting on ladders.
Weather and environmental monitoring: Ceasing all rooftop operations immediately during high winds, rain, ice, or lightning storms. High temperatures also require frequent hydration breaks and heat stress monitoring, as metal roofs can become extremely hot.
Personal protective equipment (PPE): Wearing OSHA-compliant hard hats, high-traction slip-resistant footwear suitable for sloped or slick roofing material, safety glasses, and cut-resistant gloves.
Working on a roof for solar installation presents serious hazards, primarily involving falls, electrical shock, and environmental conditions.
Fall protection, which requires personal fall arrest systems (PFAS), safety nets, or guardrail systems for workers exposed to a fall hazard of 6 ft or more, compliant with OSHA standards.
Electrical safety, which involves treating all wires and modules as energized, using insulated tools, and properly locking out/tagging out (LOTO) equipment before tying into the home's electrical system.
Personal Protective Equipment (PPE), which means wearing hard hats, high-visibility gear, non-slip footwear, and safety glasses to protect against debris, glare, and slips.
Ladder safety, which dictates that portable ladders must extend at least 3 ft above the upper landing surface, be secured at top and bottom, and be set at a proper 4-to-1 angle ratio.
For a solar installer working on a roof, the biggest risks are falls, electricity, heat, falling objects, and unsafe access/material handling. OSHA specifically identifies falls, electric shock/arc flash, thermal hazards, and heat/cold stress as major solar-industry hazards.
Most important procedures
Use proper fall protection
Before stepping onto the roof, establish the required fall-protection system: guardrails, safety nets, or an appropriate personal fall-arrest/restraint system.
Google AI Mode· Sep 11, 2026
The most important safety procedures for a solar installer working on a roof involve fall protection, electrical hazard mitigation, structural assessment, and proper personal protective equipment (PPE) . Working at heights with active DC generation components creates severe risks that require strict adherence to guidelines from organizations like the Occupational Safety and Health Administration (OSHA).
Fall Protection Systems: Install guardrails, safety nets, or personal fall arrest systems (such as harnesses, secure anchors, and self-retracting lifelines) whenever working at heights of to prevent dangerous or fatal falls from the roof edge or through skylights.
For a solar installer working on a roof, the biggest hazards are falls, electrical shock/arc flash, unstable roof conditions, falling objects, and weather/heat. OSHA specifically identifies falls and electrical hazards as major solar-industry risks.
Most important procedures
Plan the job before getting on the roof
Inspect the roof, access points, skylights, roof openings, fragile areas, and overhead/nearby electrical hazards.
ChatGPT Search· Sep 7, 2026
For a solar installer, falls and electrical hazards are the two biggest risks. OSHA specifically identifies both as major hazards in solar installation.
Most important procedures
Use proper fall protection
For roof work where fall protection is required, use an appropriate guardrail, safety net, or personal fall-arrest/restraint system.
On typical construction work, OSHA generally requires protection when workers are exposed to falls of 6 feet or more; requirements vary with roof type and task.
Working on a roof with solar panels presents a mix of traditional roofing hazards and severe electrical risks. To ensure safety, installers must follow rigorous OSHA standards and industry best practices.
Fall Protection and Roof Access
Fall Protection Systems : Mandatory for any work 6 ft or more above lower levels. Installers must use a personal fall arrest system (PFAS) featuring a full-body harness, a shock-absorbing lanyard or self-retracting lifeline, and a secure roof anchor rated for at least 5,000 lbs per attached worker.
Warning Lines and Safety Monitors : For low-slope roofs, warning lines must be erected 6 ft from the roof edge (or 15 ft if mechanical equipment is being used) to designate safe zones.
For a solar installer, falls and electrical hazards are the two biggest risks. OSHA specifically identifies falls, electric shock/arc flash, thermal burns, heat/cold stress, and lifting hazards as significant solar-work hazards.
Most important procedures
Use proper fall protection. For construction work, workers exposed to falls of 6 feet or more generally need protection such as guardrails, safety nets, or a personal fall-arrest system.
The most important safety procedures for a solar installer working on a roof include using proper fall protection, wearing personal protective equipment (PPE), and following strict electrical safety protocols.
Sources AI cites
26% of citations to these sources link to brands' own websites.
OSHA-specific standards for residential vs. commercial solar
How to perform a proper job hazard analysis (JHA) before starting work
Specific DC vs. AC electrical safety checks
Weather and environmental monitoring, which requires halting work during high winds, heavy rain, or lightning storms, and managing extreme heat/sun exposure to prevent exhaustion or burns from hot metal roof surfaces.
Material handling and rigging, which ensures tools and heavy solar panels are safely hoisted using proper mechanical lifting equipment or secure line systems rather than carried up ladders manually.
Would you like me to focus on OSHA compliance details or dive deeper into electrical lockout/tagout (LOTO) procedures for grid-tied systems?
Inspect harnesses, lifelines, anchors, and connectors before every use.
Make sure anchors are actually suitable for the system and installed according to the manufacturer's requirements.
Treat skylights, roof openings, fragile surfaces, and roof edges as serious fall hazards. OSHA generally requires fall protection for construction workers exposed to falls of 6 feet or more.
Never carry panels up a ladder
Use a ladder hoist, material lift, crane, conveyor, or other appropriate lifting method.
Keep three-point contact when climbing ladders and secure ladders properly.
Don't improvise with makeshift platforms or unsecured equipment.
Treat every PV circuit as energized
Solar modules can produce electricity whenever they're exposed to light—even when the building's main power is off.
Follow the system's shutdown/isolation procedure and applicable lockout/tagout requirements.
Verify absence of hazardous voltage with appropriately rated test equipment before performing electrical work.
Use properly rated insulated tools and PPE for the electrical task.
Be especially alert to DC arc-flash and shock hazards.
Stay clear of overhead power lines
Identify lines before bringing ladders, rails, panels, conduit, or other long objects onto the roof.
OSHA says workers should maintain at least 10 feet of clearance from overhead power lines and treat them as energized.
Control heat exposure
Schedule strenuous work around the hottest parts of the day when practical.
Provide readily accessible water, shade/cooling areas, rest breaks, and acclimatization for new workers.
Train workers to recognize heat illness and establish a response plan.
Roofing and solar work can produce substantial heat exposure, particularly under direct sun.
Secure tools and materials
Prevent panels, rails, tools, and hardware from sliding or blowing off the roof.
Establish an exclusion zone below when objects could fall.
Don't leave loose materials where they can become trip hazards or be blown from the roof.
Confirm that the roof can safely support workers and equipment.
Stop work during conditions such as lightning, high winds, heavy rain, or dangerously slippery surfaces.
Use appropriate PPE
At minimum, PPE should be selected based on the hazards: suitable footwear, eye protection, gloves, head protection, and fall-protection equipment.
Electrical work may require additional voltage-rated PPE and arc-flash protection based on the equipment and task.
Don't work alone
Have reliable communication and a means of summoning emergency assistance.
Everyone on the crew should know the site's emergency procedures, including what to do after a fall or electrical incident.
Have a pre-job safety briefing
Identify fall hazards, electrical hazards, power lines, weather/heat conditions, access routes, material-handling methods, emergency procedures, and each worker's responsibilities before starting.
OSHA's solar guidance emphasizes appropriate training and hazard controls rather than simply relying on PPE.
A good rule of thumb: if the installer can't safely answer “How am I protected from a fall, how do I know this circuit is safe, and how will we get someone down if something goes wrong?” before starting, the job isn't ready to begin.
If you're in the U.S., the applicable OSHA requirements can vary depending on whether the work is new construction/installation, maintenance, or electrical utility work, so the employer should use the applicable OSHA standards and the site's written safety program.
Electrical Isolation and Lockout/Tagout (LOTO): Verify that circuits are completely de-energized using calibrated voltage testers before touching wires, and apply strict Lockout/Tagout (LOTO) procedures on the inverter and AC/DC disconnects. Remember that solar panels generate live current whenever exposed to light and cannot be "turned off" conventionally.
Structural and Roof Integrity Evaluation: Inspect the attic and roof framing prior to stepping foot on the structure to ensure it can support the combined dead weight of the solar array, mounting hardware, and moving workers without risk of collapse or localized failure.
Ladder and Material Hoisting Safety: Secure extension ladders at a 4-to-1 ratio (one foot out for every four feet up) extending 3 feet past the roof edge, and use mechanical material hoists, winches, or solar panel lifts rather than carrying heavy glass modules up manually.
Personal Protective Equipment (PPE): Wear rated non-conductive hard hats , slip-resistant and steel-toed boots, eye protection, and electrically rated insulated gloves when handling wiring or terminations.
Weather and Environmental Monitoring: Halt operations immediately during high winds, wet or icy roof conditions, or visible lightning threats to prevent slips, falls, and electrical grounding incidents.
If you'd like, I can:
Detail the OSHA standards specific to solar construction Provide a checklist for electrical disconnect procedures Explain safe material handling techniques on steep slopes
Confirm the roof can safely support workers and equipment.
Establish a rescue plan for a worker who falls or becomes incapacitated.
Use proper fall protection
For construction work, workers exposed to falls of 6 ft (1.8 m) or more generally need appropriate fall protection such as guardrails, safety nets, or personal fall-arrest systems. Steep roofs have additional requirements.
Inspect harnesses, lanyards/SRLs, anchors, and lifelines before use.
Protect skylights and roof openings—they can be fall hazards even when they look like solid surfaces.
Make sure an actual rescue plan exists; simply wearing a harness isn't enough.
Treat the PV system as electrically energized
Solar modules can produce electricity whenever illuminated, so don't assume that turning off the building's main breaker makes the PV array safe.
Identify all electrical sources and follow the appropriate shutdown, isolation, lockout/tagout, and verification procedures.
Maintain required approach distances from energized equipment and protect against inadvertent contact. OSHA requires protection when workers could contact electrical circuits, including by deenergizing/grounding or effective guarding.
Use appropriately rated tools and PPE and follow the equipment manufacturer's and employer's electrical-safety procedures.
Use ladders correctly
Inspect ladders before use and remove defective ones from service.
Put them on stable surfaces and secure them against displacement.
For access to an upper landing, portable ladder side rails generally must extend at least 3 ft above the landing, or an appropriate alternative must be provided.
Maintain three-point contact and don't carry panels or bulky equipment while climbing. OSHA specifically recommends mechanical lifting equipment for getting solar panels onto roofs.
Control materials and falling objects
Use hoists, lifts, conveyors, or other suitable equipment to move panels and materials.
Secure tools and materials so they cannot slide or fall from the roof.
Establish exclusion zones below active work areas when appropriate.
Don't leave panels or components unsecured where wind could move them.
Stop for dangerous weather and roof conditions
Wet, icy, frosted, or otherwise slippery roofs can dramatically increase fall risk.
Account for high winds, lightning, rain, snow, and extreme temperatures.
Manage heat exposure with water, rest, shade, appropriate clothing, and work scheduling.
Wear task-appropriate PPE
Hard hat, appropriate eye protection, gloves, protective footwear, and high-visibility clothing where required.
Electrical work may require additional arc-flash/electrical PPE based on the hazard assessment.
Fall-protection equipment must be compatible with the anchor and system being used.
Keep the roof organized
Maintain clear walking paths.
Don't step on modules unless the manufacturer specifically permits it.
Keep cords, conduit, tools, packaging, and scrap from becoming trip hazards.
Be especially careful around roof edges, skylights, penetrations, and areas obscured by installed panels.
A good rule of thumb
Before anyone climbs onto the roof, the crew should be able to answer: Where can I fall? What can shock me? How will we get materials up? And how will we rescue someone? If any of those answers is unclear, the work should stop until the hazard is controlled.
For U.S. crews, OSHA's solar-specific guidance and construction standards are a useful baseline, but state/local requirements, the employer's safety program, electrical codes, and the specific roof/PV system can impose additional requirements.
Inspect harnesses, lanyards, lifelines, and anchors before use.
Use only approved, properly rated anchor points—never improvise an anchor.
Treat every PV system as electrically hazardous
Solar panels can generate electricity whenever illuminated, even when the building's utility power is disconnected.
Follow the system's shutdown/isolation procedure and applicable lockout/tagout requirements before working on energized components.
Use appropriately rated tools, PPE, test equipment, and connectors.
Only appropriately trained/qualified personnel should perform electrical work. OSHA notes that PV installation can expose workers to shock and arc-flash hazards.
Watch for overhead power lines
Identify power lines before setting up ladders, scaffolds, hoists, or panels.
Maintain the required clearance—OSHA guidance generally calls for at least 10 feet from overhead lines, unless applicable requirements call for greater clearance.
Use nonconductive ladders when appropriate near electrical hazards.
Make ladder access safe
Inspect ladders before use.
Put them on stable surfaces, secure them against displacement, and maintain three-point contact while climbing.
Don't move or reposition a ladder while someone is on it.
Don't carry large solar panels while climbing a ladder; OSHA recommends using hoists or other lifting equipment instead.
Protect against skylights, roof openings, and weak surfaces
Treat skylights as potential fall hazards—not as places you can step or sit.
Cover or guard openings and identify areas of damaged or questionable roof decking before starting work.
Control weather and roof conditions
Stop work when wind, rain, ice, snow, or other conditions make the roof unsafe.
Wear footwear appropriate for the roof surface and keep walking areas free of debris, cords, loose hardware, and other trip hazards.
Lift and handle panels safely
Solar modules are large, awkward, and can act like sails in wind.
Use mechanical lifting equipment where practical and coordinate the crew before moving panels.
Keep people below clear of suspended loads and secure materials so they cannot slide or blow off the roof.
Have a rescue/emergency plan
A fall-arrest harness can stop a fall but can also leave a worker suspended.
Know how a fallen worker will be rescued, who calls emergency services, and where the access point is before work begins.
Keep first-aid equipment and communication available.
Keep the work area organized
Secure tools and materials against falling from the roof.
Keep electrical cords and hoses arranged so they don't create trip hazards.
Establish an exclusion zone below active roof work when objects could fall.
Train before putting someone on the roof
Workers should be trained on fall protection, ladder use, electrical hazards, PPE, equipment, and the specific rescue/emergency procedures.
OSHA emphasizes that workers using alternative fall-protection methods must be properly trained.
A good rule of thumb:Before stepping onto the roof, know how you're getting up, how you're staying on it, how you're avoiding electricity, how you're getting down, and how you'd rescue someone who falls.
For an actual solar job, the employer's site-specific safety plan and applicable OSHA/state requirements take precedence over a general checklist.
Ladder and Access Safety : Extension ladders must extend at least 3 ft above the landing surface, be secured at both top and bottom, and be set at a proper 4:1 angle ratio (1 ft out for every 4 ft up).
Electrical Safety and Lockout/Tagout (LOTO)
Energized Conductors : Solar panels begin generating electricity as soon as they are exposed to sunlight. DC circuits can carry high voltage (often up to 600V to 1,000V+ in residential/commercial arrays), creating a lethal shock hazard even when disconnected from the inverter.
Insulated Tools and PPE : Installers must use insulated tools rated for electrical work (IEC 60900) and wear arc-flash-rated clothing and voltage-rated rubber gloves with leather protectors when handling wiring, connectors, or junction boxes.
Lockout/Tagout (LOTO) : Before servicing or tying into the electrical panel, disconnect switches and AC/DC isolators must be completely shut off, locked, and tagged out following strict OSHA Lockout/Tagout Standards.
Personal Protective Equipment (PPE)
Head and Eye Protection : Hard hats (ANSI Z89.1 approved) and safety glasses with side shields protect against structural debris, slips, and UV glare.
Footwear : Slip-resistant, puncture-resistant boots with non-conductive soles are essential for maintaining traction on various roofing materials (shingle, tile, metal).
High-Visibility and Sun/Heat Protection : High-vis vests or shirts keep workers visible, while hydration and scheduled breaks prevent heat illness during peak sun exposure.
Material Handling and Rigging
Load Management : Distribute heavy equipment (like inverters and batteries) and palletized PV modules evenly across roof trusses to prevent structural overloading or collapse.
Mechanical Lifts : Use dedicated material hoists, cranes, or forklift/conveyor attachments to lift heavy solar modules onto the roof rather than carrying them manually up ladders.
Keep Pathways Clear : Staging areas and walkways must be kept free of loose tools, wires, and packing materials to prevent tripping hazards near roof edges.
Environmental and Weather Precautions
Weather Restrictions : Stop all rooftop operations immediately during high winds (typically sustained winds over 20--30 mph depending on local safety policies), heavy rain, thunderstorms, or ice/snow accumulation.
Slick Surfaces : Morning dew or frost makes sloped roofs extremely slippery; work should be delayed until the roof surface is completely dry.
If you'd like, I can also outline:
Specific OSHA standards applicable to solar construction
Commercial vs. residential safety differences
Emergency response procedures for electrical shock or falls
Let me know how you'd like to proceed.
Inspect the roof before climbing on it. Look for fragile or damaged decking, skylights, roof openings, loose materials, wet/slippery surfaces, steep sections, and other hazards. Skylights in particular need guarding or appropriate fall protection.
Inspect harnesses, lanyards, anchors, and lifelines before use. Use only properly rated equipment and approved anchorage points. A fall-arrest system also requires a plan for prompt rescue after a fall.
Treat PV wiring as energized whenever light is present. Solar modules can generate electricity even when the building's main disconnect is off. Electrical installation and troubleshooting should be performed by appropriately qualified personnel using the required procedures and PPE.
Follow lockout/tagout and verify de-energization. Identify all energy sources, isolate them, apply locks/tags, and verify the circuit is actually de-energized before working on it. OSHA also recommends covering PV panels as part of controlling solar-generated energy during servicing.
Keep clear of overhead power lines. Maintain at least 10 feet of clearance from overhead lines and assume lines are energized unless properly de-energized and grounded. Use appropriate nonconductive ladders near electrical hazards.
Use ladders correctly. Secure them, maintain proper setup/angle and three-point contact, and don't carry panels while climbing. OSHA recommends hoists or other lifting equipment for getting panels onto roofs.
Control tools and materials. Prevent panels, tools, hardware, and debris from sliding or falling off the roof. Keep people out of the drop zone below.
Stop for dangerous weather. High winds, rain, ice, lightning, or other conditions that compromise footing or handling can turn routine roof work into a serious fall hazard. OSHA guidance calls for suspending operations when adverse weather creates hazardous conditions.
Wear task-appropriate PPE. Typically this includes safety footwear, eye protection, gloves, hard hats where required, and electrical PPE appropriate to the hazard. PPE is a last line of defense, not a substitute for fall protection or electrical controls.
Have a job-specific safety plan and trained crew. Before starting, identify roof/fall hazards, electrical hazards, access and lifting methods, weather conditions, emergency procedures, and who is responsible for each control.
A good rule: don't start roof work until you can answer “How are we preventing a fall, how are we controlling electrical energy, and how will we rescue someone if something goes wrong?”
For U.S. work, the exact requirements depend on whether the job is construction, maintenance, utility-connected work, roof type, and other factors; OSHA and applicable state-plan requirements should be checked for the specific job.
Fall Protection : Use OSHA-compliant personal fall arrest systems (harnesses, lanyards, and secure anchors), safety nets, or guardrails whenever working at heights of four feet or greater.
Personal Protective Equipment (PPE) : Wear non-slip footwear, hard hats to protect against falling objects, high-visibility vests, safety glasses, and electrically insulated gloves.
Electrical Safety : Treat all wires as live until tested, use insulated tools, and properly ground systems to prevent severe electrical shocks or arc flashes during wiring.
Structural and Roof Assessment : Inspect the roof's structural integrity and load capacity before stepping onto it or loading heavy solar equipment, and cover any roof holes or openings.
Weather Monitoring : Stop work immediately during dangerous weather conditions like high winds, heavy rain, lightning, or ice.
Safe Access and Material Hoists : Use secure, properly secured extension ladders or scaffolding for roof access, and rely on mechanical lift equipment or hoists to bring heavy panels up rather than carrying them manually.
If you'd like, I can:
Detail the OSHA fall protection requirements for solar work Explain electrical lockout/tagout procedures for solar arrays List required ladder safety rules for roof access
