Electricians: Your Questions Answered

John Cook Electrical are one of Walkinstown's longest-established electricians.

Our portfolio of ever-growing customers demonstrates the diverse suite of services we offer our clients. Some of our specialities include house rewiring, fault finding, fuse board upgrades, etc. Because we can offer our clients so many different services, we regularly field questions about not just our services but electricians in general. Therefore, for the curiosity of our site users, we've compiled these common questions and included comprehensive answers below.

What do commercial electricians do?

Commercial electricians install, maintain, and repair electrical systems in commercial buildings, such as offices, shops, and factories. They may also work on projects to upgrade or expand existing electrical systems. This work includes installing new circuits, wiring, and electrical equipment and troubleshooting and repairing any problems that may arise with the electrical systems. In addition, commercial electricians may also be responsible for ensuring that all electrical work complies with local building codes and safety regulations.

What equipment do electricians use?

Electricians use a variety of tools and equipment in their work, including:

  • Hand tools: screwdrivers, pliers, wire strippers, wire cutters, and voltmeters
  • Power tools: drills, saws, and conduit benders
  • Testing equipment: multimeters, circuit testers, and continuity testers
  • Protective equipment: hard hats, safety glasses, and rubber gloves
  • Ladders and scaffolding: for accessing hard-to-reach areas
  • Cable and wire: for installing and repairing electrical systems
  • Conduit: for running electrical wiring through walls, ceilings, and floors
  • Junction boxes and electrical panels: for connecting and controlling electrical systems
  • Lighting fixtures and outlets: for installing and repairing lighting and electrical outlets

Electricians may also use specialised equipment depending on the task they are working on, such as welding equipment for soldering or thermal imaging cameras to detect heat loss or electrical issues.

What do electricians fix?

Electricians are responsible for a wide variety of tasks, including:

  • Installing new electrical systems and equipment, such as wiring, circuits, and electrical panels.
  • Inspecting and maintaining existing electrical systems, including troubleshooting and repairing any problems that may arise.
  • Upgrading and expanding existing electrical systems to meet the growing needs of a building or facility.
  • Identifying and resolving electrical code violations and ensuring that all electrical work is up to code.
  • Providing preventative maintenance and ensuring that all electrical systems are in good working condition.
  • Install, maintain and repair lighting and electrical outlets.
  • Troubleshoot and repair issues with generators, transformers and other electrical equipment.
  • Install, repair, and maintain fire alarm systems, security systems, and other electrical safety devices.

They may also be responsible for ensuring that all electrical work complies with local building codes and safety regulations.

In Ireland, how much do electricians cost?

The cost of hiring an electrician in Ireland can vary depending on a number of factors, including the type of work being done, the location of the job, and the experience and qualifications of the electrician.

On average, electricians charge between €50 to €80 per hour. However, some electricians may charge more or less depending on the complexity of the project and whether they are working on a minor repair or a larger project.

For more significant projects, electricians may also provide a fixed quote for the entire job rather than charging by the hour. This can be beneficial as it allows the customer to budget for the entire project.

We offer free, no-obligation quotes on our Electrical services. To request a quote, please get in touch with us today. 

Do you have more questions about electricians or our range of services? Then please get in touch with us. Our team of highly trained and fully registered electricians are available to clients all over Dublin and the surrounding counties.



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