What Do Electricians Do? A Complete Guide to Electrical Work

Table of Contents

What Is an Electrician? (Quick Overview)
Core Responsibilities of Electricians
Types of Electricians and What They Do
A Day in the Life of an Electrician
Common Electrical Tasks Electricians Perform
Tools and Equipment Electricians Use Daily
Skills Required to Be an Electrician
When Should You Call an Electrician?
Frequently Asked Questions
Conclusion
About us

Whether you’re considering a career in the electrical trade, need to hire an electrician, or simply want to understand what these skilled professionals do, this comprehensive guide covers everything you need to know about the work electricians perform every day.

From installing complex wiring systems in new construction to troubleshooting flickering lights in your home, electricians play a critical role in keeping our modern world powered safely and efficiently

What Is an Electrician? (Quick Overview)

An electrician is a skilled tradesperson who specializes in the installation, maintenance, and repair of electrical systems and equipment. These professionals work with everything from the wiring in your walls to industrial power systems in manufacturing facilities.

Electricians must complete extensive training—typically including a 4-5 year apprenticeship combining classroom education with hands-on experience—and obtain licensing to ensure they can work safely with potentially dangerous electrical systems.

According to the Bureau of Labor Statistics, electricians held approximately 762,600 jobs in the United States as of 2023, making it one of the largest skilled trades in the country.

The bottom line: Electricians are highly trained professionals who ensure electrical systems function safely, efficiently, and in compliance with strict building codes

Core Responsibilities of Electricians

Electricians handle a wide range of tasks that go far beyond simply “working with wires.” Let’s explore their primary responsibilities.

Installing Electrical Systems

One of the most fundamental jobs electricians perform is installing complete electrical systems in new construction or during major renovations.

This includes:

Running electrical wiring through walls, ceilings, and floors
Installing electrical panels and circuit breakers
Setting up outlets, switches, and junction boxes
Connecting fixtures to power sources
Establishing proper grounding systems
Installing dedicated circuits for appliances and equipment

Electricians must carefully plan these installations based on blueprints and building specifications, calculating electrical loads to ensure systems can handle power demands safely.

Repairing and Troubleshooting

When electrical problems occur, electricians use specialized knowledge and diagnostic tools to identify and fix issues.

Common repairs include:

Diagnosing why circuit breakers trip repeatedly
Fixing outlets that don’t work or spark
Repairing flickering or non-functioning lights
Replacing faulty wiring
Fixing electrical panel problems
Addressing ground fault issues
Resolving power surges and voltage problems

Electricians use multimeters, voltage testers, thermal imaging cameras, and other diagnostic equipment to pinpoint problems that aren’t visible to the naked eye.

Maintenance and Inspections

Preventive maintenance is a crucial part of electrical work, especially in commercial and industrial settings.

Maintenance tasks include:

Conducting routine safety inspections
Testing GFCI and AFCI protection devices
Checking for loose connections that could cause fires
Inspecting electrical panels for signs of wear
Testing backup generators and emergency systems
Identifying potential code violations
Recommending upgrades to outdated systems

Regular electrical inspections can prevent dangerous situations like electrical fires, which account for an estimated 51,000 fires annually in the United States, according to the National Fire Protection Association.

Reading Blueprints and Technical Diagrams

Professional electricians must be able to read and interpret complex technical documents:

Blueprints and architectural plans – Show where electrical components should be installed
Wiring diagrams – Illustrate how circuits should be connected
Electrical schematics – Detail the technical specifications of systems
Load calculations – Determine electrical capacity requirements
Code specifications – Ensure compliance with regulations

This technical reading ability allows electricians to execute installations precisely according to engineering specifications.

Ensuring Safety and Code Compliance

Perhaps the most critical responsibility of any electrician is ensuring all electrical work meets safety standards and building codes.

This involves:

Following the National Electrical Code (NEC)
Adhering to local building codes and regulations
Implementing OSHA safety protocols
Obtaining necessary permits and inspections
Using appropriate wire gauges for electrical loads
Installing proper overcurrent protection
Ensuring adequate grounding and bonding
Installing GFCI protection in wet locations
Using AFCI protection to prevent electrical fires

Electricians stay current with code changes through continuing education, as electrical codes are updated every three years to incorporate new safety standards and technologies.

Types of Electricians and What They Do

Electricians often specialize in specific areas based on the environments they work in and the types of systems they handle.

Residential Electricians

Residential electricians work primarily in homes, apartments, and small residential buildings.

Their typical work includes:

Wiring new homes and additions
Installing and repairing lighting fixtures
Adding new outlets and switches
Upgrading electrical panels (from 100-amp to 200-amp service, for example)
Installing ceiling fans and chandeliers
Setting up home automation and smart home systems
Installing EV charging stations in garages
Troubleshooting household electrical problems
Ensuring homes meet electrical code for sales and renovations

Residential electricians must balance technical expertise with customer service skills, as they frequently interact directly with homeowners and explain electrical issues in understandable terms.

Commercial Electricians

Commercial electricians specialize in electrical systems for businesses, retail spaces, office buildings, and other commercial properties.

Their work involves:

Installing complex lighting systems for retail and office spaces
Setting up three-phase power systems
Installing and maintaining commercial HVAC electrical components
Wiring for security systems and access control
Installing backup generators and emergency power systems
Running data and communication cabling
Maintaining parking lot and exterior lighting
Ensuring ADA compliance for electrical installations
Working with building management systems

Commercial electrical work often involves larger-scale projects and more complex electrical loads than residential work.

Industrial Electricians

Industrial electricians work in factories, manufacturing plants, processing facilities, and other industrial environments.

They typically handle:

High-voltage power distribution systems
Motor controls and programmable logic controllers (PLCs)
Industrial machinery electrical systems
Conveyor systems and automated equipment
Transformers and power distribution equipment
Industrial control panels
Emergency shutdown systems
Preventive maintenance on production equipment
Troubleshooting to minimize costly production downtime

Industrial electricians often work with voltages and systems significantly more complex than residential or commercial electricians encounter.

Maintenance Electricians

While all electricians perform some maintenance, maintenance electricians specifically focus on the ongoing upkeep of electrical systems.

Their responsibilities include:

Performing scheduled preventive maintenance
Conducting routine safety inspections
Replacing components before they fail
Maintaining emergency backup systems
Keeping detailed maintenance records
Identifying and addressing potential problems early
Ensuring continuous system reliability

Maintenance electricians often work for large facilities, property management companies, or institutions like hospitals and universities

A Day in the Life of an Electrician

What does a typical workday look like for an electrician? While every day brings different challenges, here’s a representative schedule.

Morning: Job Planning and Site Preparation

6:00 AM – 8:00 AM

Most electricians start their day early:

Review the day’s work orders – Check scheduled jobs, locations, and specific tasks
Load the work van – Ensure all necessary tools, materials, and safety equipment are on hand
Travel to the first job site – Residential electricians might visit 3-5 homes daily, while commercial electricians might spend all day on a single large project
Meet with clients or project managers – Discuss the work to be performed and any concerns
Assess the job site – Evaluate the work area, identify potential hazards, and plan the approach
Turn off power – Use lockout/tagout procedures to ensure safe working conditions

Midday: Hands-On Electrical Work

8:00 AM – 3:00 PM

The bulk of the workday involves hands-on electrical tasks:

Running new wiring through walls, attics, or conduit systems
Installing electrical boxes for outlets, switches, and fixtures
Connecting circuits at the electrical panel
Mounting and wiring light fixtures, ceiling fans, or appliances
Troubleshooting problems using diagnostic equipment
Making repairs by replacing faulty components
Installing safety devices like GFCI outlets and smoke detectors
Working with other trades (coordinating with plumbers, HVAC technicians, or general contractors)

Throughout the day, electricians constantly reference code requirements, measure voltages and currents, and ensure all connections are secure.

Afternoon: Testing, Troubleshooting, and Client Communication

3:00 PM – 5:00 PM

The end of the day focuses on quality assurance and customer satisfaction:

Test all work – Use multimeters and circuit testers to verify proper operation
Restore power – Turn circuits back on and verify everything functions correctly
Clean up the work area – Remove debris and leave the site clean
Walk through with the client – Explain the work performed and answer questions
Document the job – Complete work orders, note materials used, and record time
Return to the shop or home – Restock the van for the next day
Plan tomorrow’s work – Review upcoming jobs and special material needs

Many electricians also spend time in the evening studying code updates, learning new technologies, or working toward advanced certifications

Common Electrical Tasks Electricians Perform

Let’s look at specific projects electricians commonly handle.

Wiring New Homes and Buildings

New construction electrical work involves installing complete electrical systems from the ground up.

The process includes:

Rough-in phase – Installing wiring, boxes, and conduit before walls are closed
Service entrance – Connecting to the utility power source
Main panel installation – Setting up the electrical panel with appropriate circuit breakers
Branch circuit wiring – Running circuits to all areas of the building
Specialty circuits – Installing dedicated circuits for appliances, HVAC, and high-power equipment
Trim-out phase – Installing outlets, switches, light fixtures, and cover plates after walls are finished
Final testing and inspection – Verifying all systems work properly and meet code

New construction provides electricians the opportunity to design efficient electrical systems tailored to the building’s specific needs.

Installing Lighting Fixtures and Outlets

Adding or replacing lights and outlets is one of the most common electrical tasks.

This work includes:

Installing recessed can lights
Mounting chandeliers and pendant lights
Adding outdoor security lighting
Installing dimmer switches
Adding new outlets in convenient locations
Installing USB charging outlets
Setting up dedicated circuits for home offices
Installing GFCI outlets in bathrooms and kitchens

While these might seem like simple tasks, they require knowledge of proper wiring techniques, box fill calculations, and code requirements for spacing and placement.

Upgrading Electrical Panels

As homes add more electrical devices and appliances, many older electrical panels need upgrading.

Panel upgrades involve:

Removing the old electrical panel
Installing a new, higher-capacity panel (typically upgrading from 100-amp to 200-amp service)
Upgrading the service entrance conductors
Reorganizing circuits for better load balance
Adding arc-fault and ground-fault protection
Labeling all circuits clearly
Coordinating with the utility company for service upgrades
Ensuring the new panel meets current code requirements

An electrical panel upgrade is a complex job that requires a permit and inspection in most jurisdictions.

Installing EV Charging Stations

As electric vehicles become more popular, electricians increasingly install home EV chargers.

EV charger installation requires:

Evaluating the existing electrical service capacity
Installing a dedicated 240-volt circuit
Running appropriate wiring (typically 6-gauge or larger)
Mounting the charging station
Configuring smart features and connectivity
Testing the installation
Obtaining necessary permits and inspections

Most Level 2 home chargers require a 40-50 amp circuit, which is a significant electrical load that must be properly planned.

Emergency Electrical Repairs

Electricians often respond to urgent situations that pose safety hazards.

Common emergencies include:

Complete power outages
Burning smells from outlets or panels
Sparking outlets or switches
Exposed wiring
Water damage to electrical systems
Tripped breakers that won’t reset
Storm damage to electrical systems
Electrical shocks from appliances or fixtures

Emergency electricians must diagnose problems quickly and implement safe solutions, often working outside normal business hours.

Tools and Equipment Electricians Use Daily

Electricians rely on specialized tools to perform their work safely and efficiently.

Essential hand tools:

Wire strippers – Remove insulation from wires
Lineman’s pliers – Cut, twist, and pull wire
Needle-nose pliers – Work in tight spaces
Screwdrivers – Both flathead and Phillips in various sizes
Fish tape – Pull wire through walls and conduit
Cable cutters – Cut large electrical cables
Knockout punches – Create holes in electrical panels
Conduit benders – Shape conduit for installations

Testing and diagnostic equipment:

Multimeter – Measures voltage, current, and resistance
Voltage tester – Quickly checks if circuits are live
Circuit tracer – Identifies which breaker controls which circuit
Thermal imaging camera – Detects hot spots that indicate problems
Continuity tester – Verifies complete circuits
Ground resistance tester – Ensures proper grounding
Clamp meter – Measures current without disconnecting wires

Power tools:

Cordless drill/driver – Drills holes and drives screws
Reciprocating saw – Cuts through various materials
Hole saw kit – Creates holes for electrical boxes
Wire pulling equipment – For large wire runs
Hammer drill – Drills into concrete and masonry

Safety equipment:

Insulated gloves – Protect against electrical shock
Safety glasses – Eye protection
Hard hat – Head protection on construction sites
Voltage-rated tools – Insulated to prevent shock
Arc flash protection – For high-voltage work
Lockout/tagout equipment – Prevents accidental energization

Professional electricians invest thousands of dollars in quality tools that will last throughout their careers

Skills Required to Be an Electrician

Becoming a successful electrician requires a diverse skill set that goes beyond technical knowledge.

Technical Knowledge

Electricians must understand:

Electrical theory (Ohm’s Law, power calculations, circuit analysis)
The National Electrical Code and local amendments
Reading and interpreting blueprints and schematics
Proper wiring methods and techniques
Grounding and bonding requirements
Circuit protection and overcurrent devices
Different electrical systems (single-phase, three-phase, DC)
Emerging technologies (solar, EV charging, smart home systems)
Mathematics for load calculations and wire sizing

This knowledge base requires years of study and practical application to fully develop.

Problem-Solving Abilities

Electricians constantly face unique challenges that require creative problem-solving:

Diagnosing intermittent electrical problems
Finding solutions in older buildings with non-standard wiring
Troubleshooting complex systems with multiple potential issues
Adapting plans when unexpected obstacles arise
Determining the most cost-effective solutions for clients
Identifying the root cause of recurring problems

The best electricians approach problems methodically, using both technical knowledge and experience-based intuition.

Physical Stamina and Dexterity

Electrical work is physically demanding:

Electricians must be able to:

Work in awkward positions (overhead, in tight spaces, kneeling)
Lift and carry heavy equipment and materials (up to 50-75 pounds)
Climb ladders and work at heights
Stand for extended periods
Have good hand-eye coordination for detailed work
Maintain steady hands when making precise connections
Work outdoors in various weather conditions
Navigate construction sites safely

Good physical fitness helps prevent injuries and extends careers in this demanding trade.

Communication Skills

Electricians must communicate effectively with various people:

They need to:

Explain electrical issues to homeowners in understandable terms
Listen carefully to customer concerns and symptoms
Coordinate with other trades on construction sites
Write clear documentation and reports
Provide accurate estimates and timelines
Teach and mentor apprentices
Communicate safety concerns to supervisors
Negotiate with inspectors regarding code interpretations

Strong communication builds trust with clients and creates smoother project execution.

When Should You Call an Electrician?

While some home maintenance tasks are DIY-friendly, electrical work should almost always be left to licensed professionals.

Call an electrician when you experience:

Safety concerns:

Burning smells from outlets, switches, or the electrical panel
Sparking or arcing from electrical components
Outlets or switches that are warm to the touch
Frequent electrical shocks when using appliances
Buzzing or sizzling sounds from electrical devices
Scorch marks on outlets or switches
Circuit breakers that trip frequently

Functional problems:

Flickering or dimming lights (especially when appliances turn on)
Dead outlets or switches
Partial power outages (some rooms work, others don’t)
Lights that surge or fade
Outlets that don’t hold plugs securely

Installation and upgrade needs:

Adding new outlets or lighting
Installing ceiling fans or chandeliers
Upgrading your electrical panel
Installing dedicated circuits for appliances
Adding EV charging stations
Whole-house surge protection
Generator installation and hookup
Smart home system installation

Renovations and additions:

Kitchen or bathroom remodels
Room additions
Finishing basements or attics
Pool or hot tub installations
Outdoor kitchen or living space electrical

Inspections and maintenance:

Home purchase inspections
After storms or flooding
In older homes (40+ years) that haven’t been updated
Before selling your home
Routine safety inspections

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Remember: Electrical work requires permits and inspections in most jurisdictions. Unlicensed electrical work can void insurance coverage, create safety hazards, and cause problems when selling your home

Electrician performing electrical safety inspection with testing equipment

Frequently Asked Questions About What Electricians Do

What is the main job of an electrician?

The main job of an electrician is to install, maintain, and repair electrical power systems in residential, commercial, and industrial settings. This includes working with wiring, circuit breakers, transformers, outlets, lighting fixtures, and electrical panels to ensure safe and reliable electricity distribution.

What does an electrician do on a daily basis?

On a daily basis, electricians read blueprints and technical diagrams, install wiring and electrical components, troubleshoot electrical problems, test systems for safety, repair faulty equipment, and ensure all work complies with the National Electrical Code and local building regulations.

What are the different types of electricians?

The main types of electricians are:

Residential electricians – Work in homes and apartments
Commercial electricians – Handle office buildings and retail spaces
Industrial electricians – Service factories and manufacturing plants
Maintenance electricians – Focus on preventive maintenance and repairs

Do electricians only work with wiring?

No, electricians work with much more than just wiring. They install and maintain lighting systems, electrical panels, circuit breakers, outlets, switches, generators, EV charging stations, security systems, and various electrical appliances. They also perform safety inspections and troubleshoot complex electrical issues.

When should I call an electrician?

You should call a licensed electrician when you experience flickering lights, frequent circuit breaker trips, burning smells from outlets, need new outlets or lighting installed, plan to upgrade your electrical panel, want to install an EV charger, or any time you need electrical work to ensure it’s done safely and to code.

Can electricians work on both new construction and existing buildings?

Yes, electricians work on both new construction projects and existing buildings. In new construction, they install complete electrical systems from scratch. In existing buildings, they perform repairs, upgrades, renovations, and maintenance work.

How do electricians ensure electrical safety?

Electricians ensure safety by following the National Electrical Code (NEC), using proper grounding techniques, installing GFCI and AFCI protection where required, conducting thorough testing with specialized equipment, using appropriate wire sizes for electrical loads, and staying current with safety training and licensing requirements.

Do electricians need to be licensed?

Yes, electricians must be licensed in most jurisdictions. They typically start as apprentices, become journeyman electricians after completing training and passing exams, and can advance to master electrician status with additional experience and testing. Licensing ensures they have the knowledge to work safely and effectively.

How long does it take to become an electrician?

Becoming a licensed electrician typically takes 4-5 years. This includes completing an apprenticeship program that combines approximately 8,000 hours of hands-on training with 576-1,000 hours of classroom instruction. After the apprenticeship, electricians must pass a licensing exam.

What’s the difference between a journeyman and master electrician?

A journeyman electrician has completed their apprenticeship and passed the journeyman licensing exam. They can work independently but typically under the supervision of a master electrician. A master electrician has additional years of experience (usually 2-4 years beyond journeyman), has passed a more comprehensive exam, and can supervise other electricians, pull permits, and run their own electrical contracting business.

Conclusion: The Essential Role of Electricians

Electricians perform far more than just “working with wires”—they are skilled professionals who design, install, maintain, and repair the electrical systems that power our modern lives.

To summarize what electricians do:

✓ Install complete electrical systems in new construction
✓ Troubleshoot and repair electrical problems
✓ Perform safety inspections and preventive maintenance
✓ Upgrade outdated electrical panels and systems
✓ Ensure all work meets strict safety codes and regulations
✓ Work with advanced technologies like EV charging and smart home systems
✓ Respond to emergency electrical situations
✓ Specialize in residential, commercial, or industrial settings

Their work requires a unique combination of technical knowledge, problem-solving skills, physical capability, and attention to safety. Through years of training and continuous education, electricians master complex electrical codes and systems that keep homes, businesses, and industrial facilities running safely and efficiently.

Whether you’re experiencing electrical problems, planning renovations, or simply want to upgrade your home’s electrical capacity, professional electricians bring the expertise necessary to complete the job correctly and safely.