SiteSorted
Electrical · United States

JHA for residential rewiring

OSHA expects employers to find and control hazards on every job, and many general contractors require a written JHA for residential rewiring before you start.

A JHA breaks the job into steps, lists the hazards in each step and the controls that protect the crew, and the crew signs it. The main hazards are silica dust from concrete, brick, stone and tiles, disturbing asbestos, electric shock from live wiring and falling through a floor opening or void.

JHA example: residential rewiring

This is a complete JHA for residential rewiring, with 9 job steps. Open it in the builder to add your site, crew and signatures, change anything, and download a PDF. Or download the free Word template below and fill it in by hand.

Job Hazard Analysis (JHA)
Rewire a house · Electrical · Example
Document JHA-001 · Rev 1

Job steps, hazards and controls

#Job stepHazardsRisk beforeControlsRisk after
1Agree a room by room plan with the occupants and protect floors and furniture
  • Working in an occupied home or building
  • Slips and trips
Medium
  • Plan noisy, dusty or risky work for when the building is empty. Elimination
  • Close off the work area with barriers, plastic sheeting or locked doors, and put up signs. Engineering (guarding)
  • Keep fire exits and paths clear at all times. Administrative
  • Tell occupants before you turn off power, water or gas, and before noisy or dusty work. Administrative
  • Lock away tools, chemicals and materials each day, out of reach of children. Administrative
  • Clean up dust and debris at the end of each day. Administrative
  • Plan walkways and keep them clear of materials, hoses and leads. Elimination
  • Run cords and hoses overhead on hooks or stands, or along walls, not across walkways. Engineering
  • Slips and trips: see step 7 for the full controls Administrative
Low
2Check the asbestos survey and look for old lead paint before cutting into walls and ceilings
  • Disturbing asbestos
  • Lead paint dust and fumes
Critical
  • Treat insulation, surfacing and resilient flooring in buildings built before 1981 as asbestos unless testing shows otherwise, and get the owner's asbestos survey before you start. Elimination
  • Seal off the work area and keep everyone else out. Engineering (guarding)
  • If asbestos must be disturbed, keep it wet, use hand tools not power tools, and clean up with a HEPA vacuum. Engineering
  • Follow 29 CFR 1926.1101: competent person, work class, regulated area and exposure monitoring. Administrative
  • Commercial renovation and any demolition need a NESHAP asbestos inspection first, and demolition needs written notice to the state or EPA 10 working days before work starts (40 CFR 61 Subpart M). Administrative
  • Roofing felts, cement shingles and siding, roof coatings and old panel backboards can also contain asbestos. Test them or treat them as asbestos; asbestos roofing is removed intact with hand tools by trained workers (29 CFR 1926.1101(g)(8)). Administrative
  • Stop work straight away if you find suspect asbestos. Do not touch it and tell your supervisor. Administrative
  • Wear a fit-tested NIOSH-approved respirator suited to the work class, and disposable coveralls. PPE
  • Test old paint for lead before you sand, scrape, cut or heat it. Elimination
  • Use wet scraping, chemical strippers or shrouded tools with extraction instead of dry sanding. Never burn off lead paint with an open flame. Substitution
  • Seal off the work area with plastic sheeting and keep residents, children and pets out. Engineering (guarding)
  • Clean up with a HEPA vacuum and wet wipes. Never dry sweep. Engineering
  • In homes and child-occupied facilities built before 1978 (such as child care centers, preschools and kindergarten classrooms), work that disturbs more than 6 sq ft inside or 20 sq ft outside is done by an EPA Lead-Safe Certified firm with a certified renovator (RRP rule). Administrative
  • Do an initial lead exposure assessment and protect workers as if over the limit until results are in. Over 50 micrograms per cubic meter, follow a written lead compliance program (29 CFR 1926.62(d), (e)). Administrative
  • Never torch painted surfaces, keep heat guns below 1,100 degrees F, and use sanders, grinders or planers only with a shroud and HEPA vacuum attachment (40 CFR 745.85(a)(3)). Administrative
  • Provide a clean change area and handwashing, and keep food, drink and tobacco out of the work area (29 CFR 1926.62(i)). Administrative
  • Wash hands and face before eating, drinking or smoking. Change out of dusty clothes before going home. Administrative
  • Wear a NIOSH-approved respirator with N100 or P100 filters, disposable coveralls and gloves. PPE
Medium
3Isolate the circuits being worked on, apply lockout/tagout and test to prove dead; run any temporary supply through GFCI protection
  • Electric shock from live wiring
  • Stored energy
  • Electric shock from cords and power tools
Critical
  • Isolate the power before any work. Do not work live. Elimination
  • Lock out and tag the disconnecting means with your own personal lock and tag so the circuit cannot be energized (29 CFR 1926.417). Engineering (guarding)
  • Test before you touch: prove dead at the point of work with a tested voltage tester. Engineering
  • Only qualified persons work on or near exposed energized parts. Administrative
  • Check for back feeds from solar, batteries and generators that can keep a circuit live after the main switch is off. Administrative
  • Release or block all stored energy before work: release the pressure in pipes, tanks and hoses, bleed hydraulics, release springs, lower loads. Elimination
  • Lock out and tag all energy sources with personal locks. Engineering (guarding)
  • Put mechanical blocks or props under raised parts like buckets, tipper bodies and doors. Engineering
  • Test that the system is dead and nothing can move before you start. Administrative
  • Follow the maker's procedure, for example for garage door and roller door springs. Administrative
  • Use battery-powered tools where you can. Substitution
  • Use GFCIs on all 120-volt, 15, 20 and 30 amp temporary receptacles, or a written assured equipment grounding conductor program run by a competent person with recorded tests (29 CFR 1926.404(b)(1)). Engineering
  • Keep cords off the ground and out of water, using stands or hooks. Engineering
  • Check cords, plugs and tools before every use. Tag out and remove anything damaged. Administrative
  • Do not use tools in rain or wet areas unless they are rated for it. Administrative
Medium
4Work in the ceiling space only on joists, with lighting and short breaks in hot weather
  • Falling through a floor opening or void
  • Heat stress
  • Poor lighting and night work
  • Bites and stings
Critical
  • Cover every hole with a secured cover marked "HOLE" or "COVER" that can hold twice the weight it may carry. Engineering (guarding)
  • Put guardrails with toe boards around stairwells, elevator shafts, floor holes and open edges. Engineering (guarding)
  • Install stairs early and fit temporary handrails as soon as they go in. Engineering
  • Never remove a cover or guardrail without approval. Put it back straight away. Administrative
  • Schedule heavy work for the cooler part of the day. Elimination
  • Provide shade over work and rest areas, and fans or cooling in attics. Engineering
  • Supply cool drinking water close by and drink a cup every 15 to 20 minutes. Administrative
  • Take regular rest breaks in the shade, more often as it gets hotter. Administrative
  • In California, Washington, Oregon and Maryland, follow the state heat illness rule: written plan, shade, water, rest and high-heat procedures. Administrative
  • Plan work for daylight hours where you can. Elimination
  • Set up enough temporary lighting for the task, walkways, stairs and access points. Engineering
  • Aim lights so they do not dazzle plant operators or drivers. Engineering
  • Check lighting before work starts and carry a flashlight or head lamp. Administrative
  • Check work areas before starting, and get pest control to remove nests. Elimination
  • Look before you reach into dark spaces. Administrative
  • Ask owners to keep pets away from the work area. Administrative
  • Know who has allergies and keep their medication, such as an epinephrine auto-injector, close by. Administrative
Medium
5Scan for pipes, then chase walls and drill holes using dust extraction
  • Silica dust from concrete, brick, stone and tiles
  • General dust
  • Injury from power tools
  • Gas and fuel lines
Critical
  • Order materials cut to size, or use low-dust methods such as score and snap or a block splitter. Substitution
  • Cut outdoors or in a separate area, with other people well away and upwind. Engineering (guarding)
  • Use wet cutting or on-tool dust collection with a HEPA vacuum, as set out in Table 1 of 29 CFR 1926.1153. Engineering
  • Clean up with a vacuum or wet methods. Never dry sweep or use compressed air. Administrative
  • Have a written exposure control plan and a competent person for silica (29 CFR 1926.1153). Administrative
  • Workers who must wear a respirator 30 or more days a year get a free medical exam every 3 years (29 CFR 1926.1153(h)). Administrative
  • Use low-dust products, such as dust-reduced or pre-mixed compounds. Substitution
  • Seal off the work area with plastic sheeting in occupied buildings. Engineering (guarding)
  • Use tools with dust extraction and a vacuum for clean up. Engineering
  • Lightly mist the area with water to keep dust down, away from anything electrical. Engineering
  • Keep all guards fitted and working. Never tie back or remove a guard. Engineering
  • Clamp or secure the work piece. Do not hold it by hand. Engineering
  • Only trained, competent people use power tools, following the maker's instructions. Administrative
  • Check tools before use. Unplug or remove the battery before changing blades or bits. Administrative
  • Isolate and purge the line before work, with the owner's approval. Elimination
  • Lock off and tag the isolation valve. Engineering (guarding)
  • Check for leaks with a gas detector before and during work, and ventilate the area. Engineering
  • Only licensed gas fitters work on gas lines. Administrative
Medium
6Strip out old wiring, treating every cable as live until it is proven dead
  • Electric shock from live wiring
  • Cuts from sharp edges
Critical
  • If energized work cannot be avoided, use an energized work permit, a safety observer and insulated tools, following NFPA 70E. Administrative
  • Wear insulated gloves, arc-rated clothing and a face shield when testing or working near live parts. PPE
  • Electric shock from live wiring: see step 3 for the full controls Administrative
  • Deburr or cover sharp edges, and fit edge protectors on exposed sheet metal. Engineering
  • Use knives with retractable or self-retracting blades. Engineering
  • Cut away from your body and keep your other hand clear. Administrative
  • Put used blades in a blade bin or sharps container. Administrative
  • Use two people to handle large sheets of metal or glass. Administrative
  • Wear cut-resistant gloves and long sleeves. PPE
Medium
7Pull in new cables, keeping walkways and stairs clear
  • Slips and trips
  • Lifting and carrying heavy loads
High
  • Plan walkways and keep them clear of materials, hoses and leads. Elimination
  • Run cords and hoses overhead on hooks or stands, or along walls, not across walkways. Engineering
  • Fill or cover holes, and lay boards or mats on muddy access paths. Engineering
  • Clean up offcuts, packaging and spills as you go, not at the end of the day. Administrative
  • Keep work areas, stairs and access paths well lit. Administrative
  • Wear safety boots with good grip, laced up. PPE
  • Plan to avoid carrying: have materials delivered, and old items picked up, as close as possible to where they are used. Elimination
  • Use lighter or smaller loads: order smaller bags and shorter lengths, and drain or break down old items before moving them. Substitution
  • Use trolleys, pallet jacks, hoists, vacuum lifters or plant instead of carrying by hand. Engineering
  • Use a two-person lift for anything heavy, long or awkward. Plan the route first and clear it. Administrative
  • Keep the load close, back straight and no twisting. Turn with your feet. Administrative
  • Rotate tasks and take breaks on long lifting jobs. Administrative
  • Wear gloves for grip and safety boots to protect your feet. PPE
Medium
8Fit off outlets, switches and lights from a stable step or platform
  • Electric shock from cords and power tools
  • Falling from a ladder
  • Repetitive work and awkward postures
High
  • Wear safety boots and dry gloves. PPE
  • Electric shock from cords and power tools: see step 3 for the full controls Administrative
  • Use a platform ladder, mobile scaffold or aerial lift for longer jobs instead of a straight ladder. Substitution
  • Use Type I, IA or IAA ladders in good condition. Tag and remove any damaged ladder. Engineering
  • Set extension ladders at a 4 to 1 angle on firm, level ground, secured, and reaching 3 feet above the landing. Engineering
  • Use ladders only for short, light work. Do not carry heavy or awkward loads up a ladder. Administrative
  • Keep three points of contact and your belt buckle between the stiles. Do not overreach. Administrative
  • Use tools that cut the effort: powered screwdrivers, long-handled tools and extension poles for overhead work. Substitution
  • Set work up at waist height on benches or trestles where you can. Engineering
  • Use light tools with good grips, and keep blades and bits sharp. Engineering
  • Rotate tasks and take short breaks every hour on repetitive work. Administrative
  • Warm up before heavy physical work and report aches and pains early. Administrative
Medium
9Test every circuit, re-energise, make good and hand over the certificate
  • Electric shock from live wiring
  • Poor housekeeping and waste
Critical
  • Electric shock from live wiring: see step 3 for the full controls Administrative
  • Order materials to size and send packaging back where you can. Elimination
  • Put dumpsters and waste chutes close to the work. Engineering
  • Clean as you go, and do a full clean up at the end of each day. Administrative
  • Keep exits, stairs and walkways clear at all times. Administrative
  • Stack materials neatly on level ground, away from edges. Administrative
  • Wear gloves when handling waste. PPE
Medium

PPE

Safety-toe boots (ASTM F2413)Safety glasses (ANSI Z87.1)N95 respiratorWork glovesKnee padsHalf-face respirator (P100 cartridges)CoverallsRubber insulating glovesArc flash PPE (NFPA 70E)Sun protection (sunscreen, hat, long sleeves)High-visibility safety apparel, ANSI/ISEA 107 Class 2 or 3 (Type R near roadways)Hearing protection (earmuffs or plugs)Cut-resistant glovesHard hat (ANSI Z89.1)

Plant and equipment

Electrical test meterPower drillHand toolsStep ladderRotary hammer

Permits and plans

Lockout/tagout (1926.417)

Emergency

Call 911. Add the nearest hospital, the assembly point and the first aid / cpr person for your site.

Sign-off

Supervisor and every worker sign to confirm they have read and understood this JHA.

Free JHA template for residential rewiring

Word (.docx) and PDF, Letter landscape, no email needed. Fill in your site details, then print or send it.

Make yours in 2 minutes

Same document, filled in for your job. Answer a few yes or no questions, the crew signs on the phone, and you send the PDF.

Start this JHA

Pre-start checklist for residential rewiring

Tick these off before work starts. They come from the hazards, permits and equipment in this job.

The safe sequence of work

  1. Agree a room by room plan with the occupants and protect floors and furniture
  2. Check the asbestos survey and look for old lead paint before cutting into walls and ceilings
  3. Isolate the circuits being worked on, apply lockout/tagout and test to prove dead; run any temporary supply through GFCI protection
  4. Work in the ceiling space only on joists, with lighting and short breaks in hot weather
  5. Scan for pipes, then chase walls and drill holes using dust extraction
  6. Strip out old wiring, treating every cable as live until it is proven dead
  7. Pull in new cables, keeping walkways and stairs clear
  8. Fit off outlets, switches and lights from a stable step or platform
  9. Test every circuit, re-energise, make good and hand over the certificate

Hazards to watch on residential rewiring

The hazards most specific to this job, and the step where each one comes up.

Step 4Poor lighting and night workDim or dark work areas hide trip hazards, edges and moving plant, and make workers hard to see.
Step 4Bites and stingsSnakes, spiders, wasps, ticks and dogs bite or sting workers in attics, crawl spaces and yards.
Step 2Lead paint dust and fumesHomes and child-occupied facilities built before 1978 may have lead paint. Sanding, scraping or heating it releases dust that poisons workers and children.
Step 3, 8Electric shock from cords and power toolsDamaged cords, plugs or tools, or water near power, give the user an electric shock.
Step 3Stored energyEnergy left in springs, hydraulics, compressed gas, raised loads or capacitors releases suddenly and crushes or injures workers.
Step 5Gas and fuel linesDamaging or opening a gas or fuel line causes a leak, fire or explosion.
Almost certainLikelyPossibleUnlikelyRareHow bad it could be: First aid only to FatalityBA
Highest risk on residential rewiring: Critical before controls (B), down to Medium after controls (A), on the United States 5 by 5 risk matrix (likely and fatality becomes unlikely and serious injury).

What changes on your site

This example covers the job itself. Your site may add more. Add controls for any of these that apply (the builder asks you these as yes or no questions):

  • Will anyone work 6 feet or more above a lower level?
  • Will anyone work on a roof?
  • Is there a skylight, fiberglass panel or other fragile roofing?
  • Will you use a scaffold or rolling tower?
  • Will you use an aerial lift (scissor lift or boom lift)?

Why JHAs get rejected

General contractors send documents back for these reasons. This example avoids them, but check yours too.

  • Generic steps such as "work safely" or "use PPE" with no task-specific hazards or controls.
  • No OSHA standards referenced for the hazards that have them, such as fall protection, ladders, scaffolds or silica.
  • No competent person named for fall protection, excavation, scaffolds or silica where those hazards exist.
  • Equipment listed without inspection requirements, and no training listed for the people using it.
  • Respirators listed with no respiratory protection program, medical clearance or fit test.
  • Controls rely only on PPE when engineering controls such as guardrails, wet cutting or extraction are feasible.
  • No crew sign-off, or no date and revision when the job has changed.

Questions

Do I need a JHA for residential rewiring?

OSHA expects employers to find and control hazards on every job, and many general contractors require a written JHA for residential rewiring before you start.

Who signs the JHA?

The supervisor or competent person who prepared it signs, and every crew member signs to show they were trained on the hazards and controls before the job starts. Many general contractors also sign to accept it.

How long do I keep it?

Keep this JHA on site during the job, and keep it with the training and inspection records for at least 1 year after the job (longer if your state plan or general contractor requires it). OSHA does not set a retention period for JHAs themselves.

What PPE is needed for residential rewiring?

Usually Safety-toe boots (ASTM F2413), Safety glasses (ANSI Z87.1), N95 respirator, Work gloves, Knee pads, Half-face respirator (P100 cartridges), Coveralls, Rubber insulating gloves, Arc flash PPE (NFPA 70E), Sun protection (sunscreen, hat, long sleeves), High-visibility safety apparel, ANSI/ISEA 107 Class 2 or 3 (Type R near roadways), Hearing protection (earmuffs or plugs), Cut-resistant gloves, Hard hat (ANSI Z89.1). The site rules may add more, so check with the general contractor.

More electrical JHAs

Related jobs in other trades

Toolbox talks for this job

Blank JHA template: free JHA templates. Also for other countries: Australia (SWMS) · United Kingdom (RAMS) · Canada (FLHA)

Sources