S E M Electrical
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We have an extensive range of electric motors stock, we can supply or fit the motor depending on your needs. Agricultural installations from new lighting in barns and stables to the installation and building of control panel for grain dryers. We have extensive experience in lighting control, heating control and feed control systems. As specialist electrical contractors, SEM Electrical works extensively on installations in industrial premises, such as factories, warehouses, chemical plants, and sewage works.

SEM Electrical specialises in all aspects of industrial electrical installations such as 3-phase installations, Machine installations, Fault finding and Inspection & Testing. It's important to have electrics routinely inspected and tested to check they're still safe, and to ensure any work undertaken complies with Part P Building Regulations. SEM Electrical are a well established company based in Darlington, we cover all of the North East of England.

With over 40 years experience in design, supply and installation of an extensive range of electrical services for the agricultural, industrial, commercial and domestic sectors.
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NICEIC is the UK's leading voluntary regulatory body for the electrical contracting industry.
It has been assessing the electrical competence of electricians for nearly sixty years and currently maintains a roll of over 26,000 registered contractors.
NICEIC has developed a reputation amongst consumers, specifiers of work and industry for promoting safety, integrity and technical excellence.
Our contractors undergo a rigorous assessment process, covering a representative sample of their work, their premises, documentation, equipment, and the competence of their key supervisory staff.
We offer complete electrical installations for all makes and sizes of grain dryer.
We have over 40 years experience in installing and maintaining grain dryers.
From wiring a new mains supply or generator installation our experienced team can manage the entire electrical installation.
Working closely with our customers we are able to offer a tailored solution to any issues, ensuring your installation is completed without any complications.
SEM Electrical can look after the entire process from the design, manufacture and installation of our own panels giving you a tailored solution.
We really understand the pressures of production and warehousing, and work hard to ensure performance and safety with minimal disruption to operations.
Our solutions are engineered to the latest British Standards and IET Wiring Regulations to avoid common problems such as voltage drop and electromagnetic compatibility.
SEM Electrical often operate as the preferred electrical contractor for our key industrial clients, supporting facilities management, operations and / or health and safety.
Obviously this involves a mutual level of trust, which develops over time, or more quickly once we demonstrate our ability to react quickly in your best interests.
Three phase power is used where there is a need for larger electrical installation which is more power hungry.
It is also used to power large motors and other heavy loads.
A three-phase system is generally more economical than others because it uses less conductor material to transmit electric power than equivalent single-phase or two-phase systems at the same voltage.
A three phase supply provides up to 400 volts of power as opposed to the standard domestic power output of 230 volts.
If you are unsure of the circuitry that you require for individual devices or throughout your building we can provide you with a comprehensive audit of your building and advise on the safety of your electrical supply.
Would you like SEM Electrical to help you to reduce your lighting energy costs by up to 80%, reduce your overheads and CO2 emissions.
In most commercial and industrial premises lighting often accounts for around 60% of the total electricity costs.
By installing energy saving lighting and controls you can significantly reduce your bills and quickly recoup your initial costs, in many case within 2 years.
After that a typical saving of up to 80% goes straight to your profit margin.
This all sounds great for your business, but additional financial incentives make it even more appealing.
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