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Electrical Contractors Rochdale

Electrical Installation by Commercial Electricians

The need for reliable, efficient, and safe electrical systems has never been more critical. Commercial Electricians stands at the forefront of delivering premier Commercial electrical installation services across a diverse range of sectors, including commercial, residential, and industrial settings.


Our dedication to excellence, combined with a deep understanding of the complexities of electrical systems, ensures that every project we undertake is executed to the highest standards, in full compliance with the latest UK regulations and safety standards.

Your local expert Electrical Contractors Manchester

Expertise in Electrical Installation

Commercial Electricians prides itself on a team of highly skilled and certified electricians who bring a wealth of experience to every project. Our expertise extends to:

  • Commercial Installations: We design and implement electrical systems that cater to the specific needs of businesses, ensuring that they are efficient, reliable, and scalable.

  • Industrial Solutions: Our industrial electrical services support the operational requirements of factories, warehouses, and production facilities, prioritizing safety and system reliability.

  • Electrical First fix, and second fix. Design through to certification

Electrical Installation Certificate
NICEIC Approved Electrical Installation

Tailored Electrical Solutions

Understanding that each project has its unique challenges, Commercial Electricians offers bespoke Commercial Electrical Installation services, including:

  • System Design and Implementation: Crafting tailored electrical systems that meet the specific requirements of our clients while ensuring compliance with UK electrical standards.

  • Lighting Installation: Innovative and energy-efficient lighting solutions designed to enhance the aesthetics and functionality of any space.

  • Power Distribution: Robust installation of power systems to ensure reliable and uninterrupted power supply to all types of properties.

  • Safety Systems: Installation of state-of-the-art safety and security systems, including fire alarms and emergency lighting, to protect your premises and comply with legal requirements.

Commitment to Safety and Compliance

At Commercial Electricians, we are committed to the safety of our installations and the compliance of our projects with all UK regulations, including the BS 7671 Wiring Regulations. Our rigorous quality control processes and adherence to best practices ensure that every installation is safe, efficient, and durable.

Why Choose Commercial Electricians?

Choosing Commercial Electricians means partnering with a trusted provider of commercial electrical installation services who understands the importance of your project's success. Here’s why we stand out:

  • Certified Expertise: Our electricians are accredited and continuously trained to stay ahead of industry standards and technological advancements.

  • Quality Assurance: We use only the highest quality materials and cutting-edge techniques to ensure your electrical systems are reliable and effective.

  • Customer-Centric Approach: At Commercial Electricians, we prioritize your needs and work closely with you to ensure your project is completed on time, within budget, and to your satisfaction.

Commercial Electrician Blog

Get Started with Your Electrical Installation Project

Whether you're looking to upgrade your current electrical system, embark on a new construction project, or require specialized industrial electrical services from first fix to handover. Commercial Electricians is here to provide you with expert solutions. Contact us today to discuss your electrical installation needs and discover how we can bring your project to life with precision, safety, and professionalism.

Electrical Installation by Commercial Electricians
Electrical Installation

Ensuring Electrical Safety: The Importance of Professional Installation

When it comes to electrical safety, a professional electrical installation is paramount. The importance of hiring a qualified electrician cannot be understated in ensuring the safety and well-being of your home or business. Not only does professional installation minimize the risk of electrical hazards and accidents, but it also guarantees compliance with safety standards and regulations. Commercial Electricians Manchester are NICEIC Approved and ECA Accredited.

With the complexity of electrical systems and the potential dangers they pose, attempting to handle an electrical installation on your own or relying on an inexperienced individual is simply not worth the risks. Professional electricians have the expertise, knowledge, and training to navigate the intricacies of electrical connections and ensure everything is properly installed and functioning optimally.

Beyond safety, professional installation can also save you from costly repairs and damages in the long run. By relying on experts who use quality materials and follow industry best practices, you can prevent issues caused by faulty wiring or improper installations.

Your peace of mind and the safety of your loved ones or employees should never be compromised. Don't take chances when it comes to Commercial Electrical installations. Trust the professionals to provide safe and reliable solutions, giving you the confidence that your electrical system is in good hands.

The dangers of improper electrical installation

Improper electrical installation can have serious consequences. One of the biggest dangers is the risk of electrical fires. Faulty wiring or improper connections can lead to overheating, sparking, and ultimately, fires that can cause extensive damage to your property and put lives at risk.


Professional and NICEIC certified electricians are trained to identify and rectify any potential hazards, ensuring that your electrical system is installed in a way that minimizes the risk of fire.

In addition to fires, improper electrical installation can also result in electric shocks. Faulty wiring or incorrect grounding can create an environment where electrical currents can flow through unintended paths, leading to the risk of electric shocks when coming into contact with electrical appliances or outlets. Professional electricians understand the importance of proper grounding and take the necessary steps to ensure your safety.

Furthermore, improper electrical installation can lead to frequent power outages and equipment failures. Electrical systems that are not properly installed may experience voltage fluctuations, which can cause appliances and electronic devices to malfunction or even become irreparably damaged. By investing in professional installation, you can avoid the inconvenience and expense of power outages and equipment failures.

Benefits of professional commercial electrical installation

There are numerous benefits to opting for professional commercial electrical installation. Firstly, professional electricians have the necessary knowledge and expertise to determine the appropriate size and capacity of your electrical system. By accurately assessing your electrical needs, they can ensure that you have sufficient power to meet your requirements without overloading the system. This not only prevents electrical failures but also allows for future expansion without the need for costly upgrades. Secondly, professional installation guarantees compliance with safety standards and regulations. Electrical codes are in place to protect both the occupants of a building and the surrounding property. Professional electricians are well-versed in these codes and ensure that all installations adhere to the necessary guidelines. This not only ensures the safety of your property but also eliminates any potential legal issues that may arise from non-compliance. Another benefit of professional installation is the use of quality materials. Professional electricians have access to high-quality products and materials that are designed to withstand the demands of electrical systems. By using reliable and durable components, they can minimize the risk of failures and the need for frequent repairs or replacements. This not only saves you money in the long run but also ensures the longevity and reliability of your electrical system.

Common electrical installation mistakes to avoid

While professional installation is crucial, it's also important to be aware of the common mistakes that can occur during electrical installations. One common mistake is improper wire sizing. Using wires that are too small for the electrical load can lead to overheating and pose a fire hazard. On the other hand, using wires that are too large is not only wasteful but can also lead to inefficient power distribution. Another common mistake is inadequate grounding. Proper grounding is essential for electrical safety as it provides a path for electrical currents to flow safely into the ground, minimizing the risk of electric shocks. Failing to establish proper grounding can result in potential electrical hazards and jeopardize the safety of your property. Improper installation of electrical outlets is another common mistake. Outlets that are not securely installed can pose a physical danger and may also result in electrical faults. It's important to ensure that outlets are correctly wired, firmly attached to the wall, and properly grounded to avoid any potential hazards.

How to choose a professional electrician

When it comes to selecting a professional electrician, there are several factors to consider. Firstly, ensure that the electrician is licensed and certified. This guarantees that they have undergone the necessary training, possess the required knowledge, and adhere to industry standards. Additionally, check for any relevant experience in the specific type of electrical work you require. It's also important to consider the electrician's reputation and track record. Look for reviews and testimonials from previous clients to gauge their level of expertise and customer satisfaction. A reputable electrician will have a proven track record of delivering high-quality work and excellent customer service. Furthermore, consider the electrician's availability and response time. Electrical issues can arise unexpectedly and require immediate attention. It's crucial to choose an electrician who is responsive and can attend to emergencies promptly. Finally, don't forget to obtain multiple quotes from different electricians. This allows you to compare prices, services, and warranties to ensure you are getting the best value for your money. Remember, while cost is an important factor, it should not be the sole determining factor in your decision-making process.

The importance of proper wiring and grounding

Proper wiring and grounding are fundamental aspects of electrical installation. Wiring serves as the backbone of your electrical system, carrying electricity from the main power source to various outlets, switches, and appliances. It's essential to ensure that wiring is correctly installed, properly insulated, and securely connected to prevent any potential hazards. Grounding, on the other hand, is the process of connecting electrical systems and equipment to the earth. It provides a safe path for electrical currents to flow in the event of a fault, protecting both people and property from electric shocks. Without proper grounding, electrical faults can result in serious injuries or even fatalities. Professional electricians understand the importance of proper wiring and grounding and take the necessary steps to ensure their correct implementation. By using the right wire sizes, properly securing connections, and establishing reliable grounding, they create a safe electrical environment that minimizes the risk of accidents and maximizes the efficiency of your electrical system.

Safety measures during electrical installation

During electrical installation, safety should always be a top priority. Professional electricians follow stringent safety protocols to protect themselves and others from potential hazards. Some of the safety measures they employ include: 1. Personal protective equipment (PPE): Electricians wear appropriate PPE, such as gloves, safety glasses, and insulated clothing, to protect themselves from electrical shocks and other potential risks. 2. Lockout/tagout procedures: Before working on an electrical system, electricians use lockout/tagout procedures to ensure that the power supply is safely disconnected and that no accidental re-energization can occur. 3. Testing and verification: Throughout the installation process, electricians use specialized tools and equipment to test connections, verify voltage levels, and ensure that everything is functioning as intended. 4. Proper tool usage: Electricians use insulated tools specifically designed for electrical work to minimize the risk of electrical shocks and short circuits. 5. Adherence to safety regulations: Professional electricians are well-versed in safety regulations and codes and strictly adhere to them to ensure compliance and minimize risks. By following these safety measures, professional electricians create a secure working environment and minimize the potential for accidents or injuries during the installation process.

Regular maintenance and inspections for electrical safety

Once your electrical system is installed, regular maintenance and inspections are essential to ensure continued safety and optimal performance. Over time, electrical components can wear out, connections can loosen, and potential hazards can develop. Regular maintenance allows for the early detection and rectification of any issues before they escalate into major problems. Professional electricians can conduct comprehensive inspections of your electrical system, identifying any potential hazards, faulty components, or areas of concern. They can then perform the necessary repairs or replacements to keep your electrical system in optimal condition. Additionally, they can provide valuable advice on energy-efficient upgrades and improvements to enhance the performance and safety of your electrical system. It's recommended to schedule regular maintenance visits with a professional electrician to ensure the ongoing safety and reliability of your electrical system. These visits can be tailored to your specific needs and can help identify any potential risks or issues before they lead to costly repairs or emergencies.

NICEIC Approved Electrical Contractor

NICEIC Certified Electrical Installation

Liability Insurance up to £10M

Professional Design and Installation

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Commercial Electrical Installation is what we do.

What is a Commercial Electrical Installation?

We specialize in the design, planning, installation, maintenance, and repairing of electrical systems in commercial / industrial buildings. From first fix, to second fix and ultimately certification and handover.

Unlike residential electricians, who work in homes, commercial electrical contractors handle more complex, large-scale projects in business environments such as offices, warehouses, retail centres, schools, and hospitals.

We carry out the following types of work:

Electrical Design.

Electrical Distribution Panel installation.

Electrical Containment installation.

Cabling installation.

The installation of Sub distribution Boards.

Three phase circuit installations.

Single Phase Power & Lighting installation and controls.

Emergency Lighting installation

Fire Alarm System installation.


Design: refers to the process of planning, creating, and documenting the specifications and layout of electrical systems. This process is crucial in ensuring that electrical systems are safe, efficient, and compliant with all relevant standards and regulations. Here are key aspects of electrical design:

1 System Planning

2 Load Calculations

3 Circuit Design

4 Layout Design

5 Compliance with Current Standards

6 Energy Efficiency

7 Coordination with Other Disciplines


Distribution Panels: Electrical distribution panels, also known as breaker panels, service panels, or breaker boxes, are critical components of a building's electrical system. They serve as the central point where the power from the utility company is divided into individual circuits to distribute electricity throughout a building or to individual Units.


Electrical containment: refers to the systems and components used to support, protect, and manage electrical wiring, cables, and equipment within a building or structure. The primary purpose of electrical containment is to organize electrical installations, protect wires and cables from external damages, and ensure safe and efficient operation of the electrical system. Here are the key types and aspects of electrical containment:

1.Cable Ladder Trays

2.Cable Tray and Basket systems

3.Trunking Systems

4.Conduit Systems




Electrical cables come in various types

Each type of cable is specifically designed to meet the requirements of its intended application, ensuring safety, reliability, and efficiency in electrical systems. When selecting an electrical cable, it's essential to consider factors such as the electrical load, environmental conditions, and installation requirements to choose the most appropriate type.

Commonly used cables in commercial installations are as follows:

1 Armoured Cable (AC) and Metal Clad Cable (MC)**: These cables are designed with a metal sheath or Armor for added protection against physical damage. AC and MC cables are often used in commercial and industrial settings where exposed or concealed cable runs are subject to physical damage.

2 Non-Metallic Sheathed Cable (NM, NMC, NM-B)**: This is one of the most common types of residential wiring. The cable consists of one or more insulated conductors enclosed in a non-metallic sheath. NM-B, where 'B' stands for non-metallic with a 90°C rating, is typically used for indoor applications, providing power to outlets, switches, and other devices.

3 FP Cables: There are different types of FP cables, such as FP200, FP400, and FP600, each designed for specific applications and offering varying levels of fire resistance. The choice of cable depends on the system's requirements, the fire protection duration needed, and the installation environment.

4 Category 5 (Cat 5) and Category 6 (Cat 6) cables are types of twisted pair cables commonly used in computer networking and other telecommunication applications. While both are designed to carry signals, they have different specifications and performance levels:

5. Fiber Optic Cable**: Though not electrical in the traditional sense, fiber optic cables use light to transmit data and are crucial for high-speed data networks. They offer advantages in terms of bandwidth and transmission speed over long distances compared to conventional cables.


Distribution Boards:

Distribution boards, serve as the central point in an electrical supply system where the incoming electrical power is divided into subsidiary circuits, while providing a protective fuse or circuit breaker for each circuit in a common enclosure.

As distribution board primary functions are as follows

1. **Power Distribution**: The primary function of a distribution board is to distribute electrical power to various branch circuits within a building or facility. It ensures that electricity is effectively and safely dispersed to different areas and devices, facilitating the operational needs of a building.

2. **Circuit Protection**: Each circuit within a distribution board is protected by a circuit breaker or fuse. These protective devices are designed to automatically interrupt the power supply when an overload or short circuit occurs, thereby preventing potential damage to the electrical system and reducing the risk of fire.

3. **Safety and Accessibility**: Distribution boards provide a centralized location where electrical circuits can be safely managed and accessed. They are typically installed in easily accessible areas, allowing for quick and convenient operation, maintenance, or troubleshooting.

4. **Organization**: By compartmentalizing the electrical supply into various circuits, distribution boards help in organizing the electrical distribution system. This organization makes it easier to identify and isolate individual circuits for maintenance, repair, or modification

5. **Energy Management**: Some advanced distribution boards are equipped with monitoring capabilities that allow for energy consumption tracking and optimization. They can provide valuable data for energy management strategies, helping to reduce energy wastage and improve efficiency.

6. **Compliance with Regulations**: Installation of distribution boards must comply with national and local electrical codes and standards, ensuring that the electrical installation is safe and reliable. These standards dictate the board's design, installation, and maintenance to minimize risks associated with electricity.

7. **Support for Different Power Needs**: Distribution boards can cater to various power requirements, supporting single-phase or three-phase power distribution depending on the building's needs. They can also accommodate different voltage levels and provide for special circuits, like those for heavy machinery or emergency lighting.

In summary, distribution boards are crucial for the safe, efficient, and organized distribution of electrical power within a building, ensuring that different areas and devices receive the necessary power while incorporating protection against electrical faults.

Three Phase Circuits:

In commercial buildings, three-phase circuits (400Vilt) are extensively used to distribute power efficiently and to operate heavy-duty electrical equipment that requires more power than what single-phase (230 Volt)  power can supply.

By distributing power across three phases, these circuits reduce the overall electrical load on each phase, leading to more efficient power usage and reducing the likelihood of overloading any single circuit. In addition, three-phase power is generally more cost-effective for running heavy-duty equipment, leading to its prevalence in commercial applications.

Here are the most common three-phase circuits found in commercial settings:

1 HVAC Systems: Large commercial buildings require robust heating, ventilation, and air conditioning systems to maintain a comfortable and safe environment. Three-phase circuits are often used to power the motors in these HVAC systems, providing the necessary power for efficient operation and better reliability.

Elevators: Elevator systems in commercial buildings typically use three-phase power for the traction motors that lift and lower the elevator car. This ensures smooth operation and provides sufficient power for carrying multiple passengers or heavy loads.

Data Centres: Commercial buildings that house data centres use three-phase circuits to power servers, cooling systems, and backup generators. Three-phase power helps distribute the load evenly, ensuring that critical IT equipment operates reliably and efficiently.

Manufacturing Equipment: Any manufacturing or production facilities within a commercial building will likely use three-phase power for machinery, assembly lines, and processing equipment to ensure efficient operation and to handle the high-power demands.

Pumps and Fans: Water pumps for plumbing systems and fans for ventilation or cooling towers often run on three-phase power. The use of three-phase circuits allows these units to operate more smoothly and efficiently, reducing wear and energy consumption.

Industrial Refrigeration: Commercial buildings with large refrigeration needs, such as hotels, restaurants, and grocery stores, utilize three-phase circuits to power their refrigeration systems. These circuits help in running large compressors that require consistent and reliable power.

Commercial Kitchens: Large commercial kitchens in restaurants or cafeterias may use three-phase circuits for high-power appliances like ovens, grills, and industrial mixers. This ensures that these appliances receive stable power for high-volume cooking and baking.

Lighting Circuits: While individual lights often use single-phase power, the overall lighting infrastructure in large commercial buildings may be distributed across three-phase circuits to balance the load and enhance efficiency. This is particularly true for high-intensity discharge (HID) lighting or large banks of fluorescent lights.


Single phase Circuits:

Single-phase circuits are widely used for residential and light commercial applications due to their simplicity and cost-effectiveness. However, for applications requiring higher power or more consistent delivery of power, three-phase circuits are typically employed.

Here are key aspects and applications of single-phase circuits:

1. Single-phase power is commonly used in residential homes as well as in commercial and light industrial applications where heavy machinery is not present. It powers smaller loads such as lighting and power circuits, and smaller HVAC systems.

2. Simplicity and Cost: Single-phase installations are simpler and less costly compared to three-phase systems. They require less infrastructure and are easier to maintain, making them suitable for residential or small-scale commercial settings.


3. Power Limitation: While single-phase circuits are adequate for smaller loads, they are not suitable for large motors or heavy electrical equipment, which may require a three-phase power supply to operate efficiently and effectively.

5. Power Fluctuations: Single-phase power can experience more significant voltage drops and fluctuations under load, which can be problematic for sensitive electronic equipment. This is one reason why larger commercial or industrial facilities prefer three-phase power.

6. Distribution: In single-phase power distribution, the power is transmitted through a single conductor with the return path being the neutral wire. The power flow in a single-phase circuit can be less steady and uniform compared to a three-phase circuit, leading to potential flickering in lighting applications and less efficient motor operation.

In summary, single-phase circuits are widely used for residential and light commercial applications due to their simplicity and cost-effectiveness. However, for applications requiring higher power or more consistent delivery of power, three-phase circuits are typically employed.

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