There are many industrial sites where management are unaware that their existing 3 phase systems are perhaps old, possibly overloaded and not to current IEE Wiring and HSE Regulations.  We install Panel Boards, Busbars, Trunking and all types of 3 phase installations.  Why not invite our services for an inspection?

Of course we also inspect and install all single phase systems.  Relocating, or need some advice about upgrading or testing your system?  Contact us »

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We can design & install warehouse & factory lighting systems.  Modern systems are much more energy efficient and you could achieve considerable cost savings.  It makes sense to upgrade your systems making sure they are compliant with safety requirements and current regulations, including those for emergency lighting

would you like some advice about upgrading or testing your existing system?  Contact us »

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In a rapidly changing technological world together with an ever increasingly regulated environment it is becomingly difficult to keep up with the technological infrastructure and your legal obligations.  Companies when they expand sometimes just keep on adding to their existing installations, often overlooking that they could be creating an overloading situation, which could lead to failure and major downtime in the future.

Arkle Bros. (London) Ltd, can provide a full consultancy and design service enabling us to guide you through the technical and legislative issues, leaving your company with an electrical system that not only meets your needs for today but also for tomorrow.

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The common questions about busbar trunking are succinctly answered.

• Rapid installation - meeting the challenges.
• Modern busbar trunking allows contractors to cut their time on site and meet short project deadlines.
• Lighting installations made easy.   Breaks down the costs and time savings that can be made by using busbar trunking instead of cable for commercial and industrial lighting installation.
• Aluminium - the superior choice for busbar trunking.  Aluminium is more cost effective than copper for busbar trunking conductors.  With aluminium conductors, busbar trunking is lighter and easier to handle. Busbar vs Cabling.   Busbar trunking can be used to create a decentralised electrical distribution system and is comparitively cheaper than conventional methods of cabling.
  
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Steel Wire Armoured cable (SWA) are used for installation in underground, external or exposed situations.  SWA cabling is probably the most common cable for mains distribution although it is extensively used in smaller sizes as well.

It generally comprises central copper or aluminium conductors which are insulated usually with XLPE. The conductors are protected against damage by steel wires and the whole cable is sheathed in a protective plastic outer sheath.

Available in all sizes and current ratings these cables are waterproof and may be used underground.  These cables need to be installed to NICEIC requirements.

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Cable tray is simply a bridge-like structure that carries electrical and data cable throughout a project.  PW Cable Tray is available in a wide variety of materials and finishes designed to match location, load, and esthetic requirements.

By using tray, all types of wiring can be installed in an efficient, manageable, cost-effective, and attractive manner.   Open and closed tray systems in various forms may be used e.g. baskets, ladders etc.  Our vast experience will help us select the appropriate system to match your requirements.

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Manufactured from galvanised steel, galvanised steel trunking comes in many styles and sizes.  Suitable for external use when the system design incorporates rubber gaskets and seals to achieve ingress protection.

It is very suitable for the office environment and can be used carry telecommunications cables, computer network cables and other networking cables as well as power supplies.



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Conduit systems are classified by the wall thickness of tubing, mechanical stiffness of the tubing, and material used to make the tubing. Tubing with thicker walls in the same material offers better protection from impact, but increases the weight and cost of the conduit and also increases installation labour costs.

We can advise on the correct choice to cost-effectively design the right system for your application.  While PVC conduit is the cheapest it is unsuitable in some environments.  Watertight fittings must be used for outdoor applications.  There are also regulations concerning bends permitted on a single run.  Make certain anyone doing this work is NICEIC approved.



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We can service and maintain any 110V supply system installation.  Complete systems installed including 110 volt transformers and installation of 110 volt safety lighting.



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Increasingly the insurance industry is requiring that PAT Testing is carried out prior to the renewal of an insurance policy.  This is because over 1,000 work place accidents involving electric shock are reported to The Health & Safety Executive each year, many of which are fatal! Most of the reported accidents involve portable appliances. The Electricity at Work Regulations place a legal responsibility on employers and self employed persons to take reasonable practical steps to ensure no danger results from the use of any electrical appliances.  This requires the introduction of a systematic and regular programmed schedule of maintenance, inspection and testing.  The Safety at Work Act places such an obligation in the following conditions:-

• Where appliances are used by employees.
• Where the public may use appliances in establishments such as hospitals, schools, hotels, shops, etc.
• Where appliances are supplied or hired.
• Where appliances are repaired or serviced.

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Emergency Lighting Whether you require a new emergency lighting system, extension of an existing system or just an upgrade, Arkle Bros. (London) Ltd, are familiar with the many types of Emergency Lighting Systems applications including Churches, Offices and Industrial Units etc

and will provide a full service to ensure that your emergency lighting system complies with all relevant legislation.

In many cases emergency lighting is wrongly regarded as a fit and forget product, whereas it should be subjected to frequent testing.

Needs Testing have all the necessary expertise to design and install emergency lighting systems and can provide your organisation with a regular maintenance and testing service to ensure that your emergency lighting complies with BS 5266-1 regulations.

We are authorised to issue certification for the 6 month and annual tests as outlined in BS 5266-1. The standard gives information and guidance on the categories of emergency lighting systems and their suitability for premises with different occupancy.

The standards including characteristics of emergency lighting systems and the lighting levels that are required to deliver are also covered by BS EN 50172 and BS EN 1838 respectively.

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NICEIC Approved Contractor - Industrial   Commercial   Domestic - London / Essex