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Fire Alarm Services - Installed and maintained in Essex

Delta T Electrical your electrical contractor in Essex and London.

IIf you are looking for a local Electrical Contractor Essex based Delta T Electrical should be your first choice! We are specialists at carrying out Commercial Fuse board Upgrades in Essex.

We offer a free estimating service to access your requirements and the amount of work involved to carry out a successful distribution board upgrade.

We can easily replace all older fuse boards from, Wylex, MEM, Hager, Proteus, Square D, MK and many many other makes.

There are still numerous Old-style fuse boards in premises across the UK, these rarely have the needed capacity for the modern business, often with limited fuses serving crammed circuits overloaded to capacity and dangerously so in some cases. 

These situations are asking for trouble especially if the fuses or breakers are not correctly rated for the installed cabling.

Earth Bonding

Whilst upgrading your distribution board we always check that your whole installation meets the current IET 17th edition (BS7671) regulations, an important part of which is the earth bonding to your installation.
This is a critical element to ensure that your fixed wiring system is safe to use and is compliant to the aforementioned regulations.
The earthing system ensures that should there be a fault occurs then the easiest path to earth is not through the person who next touches the live circuit but down to earth via a properly installed and tested earthing installation.

Automatic disconnection device
In line with the regulations, each circuit should be fitted with an automatic disconnection device , which will isolate the power to that circuit should a fault ocurr,thus offering significantly improved safety, these may be in the form of an MCB ( miniature circuit breaker ) or an RCD ( residual current device).

Commercial Fuse board changes - upgrades in Essex

The very nature of this work means that the electrician Essex based Delta T Renewables sent to carry out the works will need to supply an electrical inspection certificate upon completion of thefuse board change, this is due to the fact that he will have worked on all of the circuits whilst carrying out the changeover and must prove that all circuits and appliances attached to them are safe to use and fit for purpose.

Any faults or suspect readings will have to be addressed before it is safe to energise that particular circuit, to ensure everything is safe and compliant to currentregulations. These tests include Insulation resistance, earth continuity and tripping times for the newly installed RCD’s where relevant.

When upgrading your fuse board (Distribution board) it is always advisable to allow for a little future expansion and fit a unit with a few spare ways for unforeseen circumstances that may arise in the future.


Delta T Electrical are your local Electrical Contractor Essex is our home county we can carry out Fuse board Changes in Essex and the surrounding areas, or Fuse board Upgrades in Essex and surrounding areas.

For a service you can depend on contact our friendly help desk who are waiting to assist you. See the top of this page.