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Changeover Switch (for portable / home generators) Installation

When you're temporarily without a mains electrical supply and need power for essential loads such as alarms, communications equipment, fridges and freezers, you just can't beat having a portable diesel/LPG generator and fuel on stand by.

A changeover switch allows you to manually and safely isolate the mains electrical supply in one place. Once the mains is isolated, only then will this allow a standby or portable generator to power any downstream essential loads, with no risk of backfeeding electricity to the grid.

At the same time as installing the changeover switch, we will ensure that all the earthing and the existing electrical safety equipment such as MCBs and RCD will continue to work correctly when the loads are being powered by the generator. We will also be pleased to install the sockets where portable / home generators can be plugged in.

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Changeover Switch Installation (for generators)

Identifying the installation area:

We are looking for a space as close as possible to the incoming mains/grid supply meter. Ideally this will also be in a convenient place for you and anyone else that might need to use the switch without mains power and lighting.

In the first instance, if possible please email us a picture or a few pictures of the mains/grid supply meter's location, showing the space and equipment around it and let us know in an accompanying email or phone call about any essential loads and where might be a good place for the changeover switch and any sockets to be installed.

  • Changover switch dimensions: Height: 250mm, Width: 135mm, Depth: 65mm.

Quotation Once we understand the installation area and what's needed for the installation, we will send you a quotation and let you know the earliest date from which the work can be booked in.

Book Installation: Engineers can usually be scheduled to start within 14 days, their names, phone number and the time of their visit will be known to you in advance.

Installation and Commissioning: We will have the mains supply off for the duration of the installation, depending on the amount of work involved, the installation and commissioning of a changeover switch would usually take between 2-4 hours. We will let you know at the time of quotation if we are likely to need more time than this.

Finishing: When the work is complete we will remove and dispose of any rubbish or packaging, recycling as much as we can.

Changeover Switch, Generator plug socket

Changeover Switch (for portable / home generators) Summary:

Manually isolate the property's electrical system from the grid/mains to allow for portable / home generator use without grid backfeeding.

  • Designed to be installed inline with and close to the incoming mains/grid supply meter
  • 125Amp, Single phase and switched neutral
  • Lockable isolator, suitable for meter tails up to 35mm
  • Large epoxy coated metal case
  • Earthing and safety equipment testing included
  • Pleased to supply and install any required plugs, sockets and cables at the same time

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Solar PV Surge Protection (DC Surge Protection)

DC Surge Protection Solar PV Systems

DC surge protection devices (SPDs) are installed between the solar panels and the solar inverter to protect both the solar inverter and the downstream electrical equipment from transient overvoltages of an atmospheric origin impacting the electrical system via the DC side of the system / the solar panels.

DC Surge protectors are in compliance with the recently updated 18th edition amendment 2 of BS7671.

Solar PV Surge Protection (DC Surge Protection)

 

Solar Power System Testing, Servicing & Maintenance

Regular solar PV system testing, servicing and maintenance will extend the life of a solar PV system and ensure that solar panels are always operating safely and at their best, whilst maximising yields.

We offer complete safety and performance testing for solar PV power systems of any size. Includes panels, cables, solar PV inverters, isolators and mains connections.

We provide solar power system testing and maintenance services for residential, commercial, industrial and agricultural clients across Southern, South West England and the West Midlands, with specialist experience working with farmers, developers and commercial and industrial buildings owners.

Solar Power System Testing, Servicing & Maintenance

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Articles: Further Information, Calculators & Solar Inverter Fault Codes

Lots of articles, calculators and technical information including links for further reading. Covering a range of topics related to the installation and maintenance of solar photovoltaic and electrical systems in the UK.

Solar PV Information Articles

Mains Power Supplies & Earthing Systems

Mains Supply and Earthing Systems: Location & accessability, supply systems, earthing, bonding, labelling, installing RCDs.

Surge Protection for UK Solar PV Systems

Recent changes to the BS7671 UK Wiring Regulations 18th Edition in the form of amendment 2 have introduced requirements and considerations for surge protection on both the AC and DC side of a solar PV System. In this article we take a look at surge protection, particularly in the context of the updated UK wiring regulations and how surge protection could best be incorporated into new and existing solar PV systems installed in the UK

How to provide power to a house using a portable generator

In this article we show you how to power your home using a portable diesel, petrol or LPG generator. We look at changeover switches, the importance of earthing, generator loadings, how to isolate non essential loads. We ask where to locate the generator when it's in operation, how best to safely isolate the mains supply and switch to a generator supply.

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What Our Customers Say:

"Outstanding. Conscientious, thorough, friendly and reasonably priced service. Highly recommended. Made our solar panel battery system safe, correcting the sub-standard work of others. Will always use this trustworthy PV electrician. Even after the work was completed, he studied the manual for our system and assisted with resolving further problems. Thanks Glen." Rob Barnes, Royal Wootton Bassett

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Case Studies

We've carried out Solar PV System design, installation, testing, repair and maintenance work on solar PV systems of all shapes and sizes all across the UK.

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Areas Served:

We are located in Wanborough, very close to Swindon in Wiltshire, Southern England, UK. From here we service clients within a 90 minute driving radius including the towns, cities and regions below:

Swindon: Abingdon, Aldbourne, Andover, Banbury, Basingstoke, Bath, Berkshire, Bicester, Blunsdon, Box, Bracknell, Bradford on Avon, Bristol, Burford, Calne, Camberley, Carterton, Cheltenham, Chippenham, Chipping Norton, Chipping Sodbury, Cirencester, Corsham, Cricklade, Devizes, Didcot, Evesham, Faringdon, Fleet, Gloucester, Gloucestershire, Hampshire, Henley-on-Thames, Highclere, Highworth, Hook, Hungerford, Keynsham, Kingsclere, Lambourn, Lechlade, Lyneham, Maidenhead, Malmesbury, Marlborough, Marshfield, Melksham, Minety, Newbury, Oxford, Oxfordshire, Pewsey, Purton, Ramsbury, Reading, Royal Wootton Bassett, Salisbury, Shalbourne, Slough, Stow, Swindon, Tewkesbury, Thatcham, Trowbridge, Wanborough, Wantage, Warminster, Wiltshire, Winchester, Windsor, Witney, Wokingham, Worcester, Wroughton and Yate.

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