What should my mains voltage be




















When we have looked at the information, we'll tell you what we found and whether we need to do any further investigation or remedial work. Although the normal voltage in the UK is volts, it is not constant. The voltage at your property will vary due to the use of power and normal operation of the power supply network. Our network is designed to ensure that the voltage stays within the permitted tolerance or statutory limits. We may supply a voltage outside these limits in exceptional circumstances, such as when there is a fault elsewhere on the network and we maintain supplies to other customers from an alternative source of power.

If the recording shows the voltage to be outside the prescribed limits, we aim to complete the remedial work within 6 months of our confirmation letter.

However, if we have to install cables or equipment on private land, we'll need to obtain wayleaves or other legal consents before we can carry out the construction work. We also need local council approval for new substations and for certain other equipment installed on the highway. These legal formalities can take a long time to complete and, because this is outside our control, we may take longer than 6 months in these particular cases. Even if we discover the voltage is outside the prescribed limits, please be assured that the electricity meter will have accurately measured the consumption of your electrical appliances.

For example, although your electric cooker may have taken longer at low voltages for the elements to heat the oven, the overall consumption of electricity will be much the same because the energy is being used at a lower rate, but over a longer period. Responsible for the requirements verification and testing validation of an integrated telecommunications solutions within a nuclear environment. Responsible for undertaking and leading all technical telecoms aspects on assigned projects for UK Mainline Rail and Metro projects.

FuseTalk Standard Edition v3. All rights reserved. Welcome Login. Toggle navigation. Search Topic. Topic Tools. View similar topics Print this topic. For many decades the UK mains voltage was declared as volts.

Electricity meters and light bulbs etc were labelled v and if you measured it it was around volts in most cases. In mainland Europe the figure was volts and the only time I measured it on a trip to Holland I got v.

At some stage the eurocrats in Brussels decided we should all be the same and decided to call it volts and widen the tolerances. My recently replaced meter is now labelled v, and my consumer unit installed 10 years ago has v on the case and main switch and v on the RCD and MCBs. Light bulbs are becoming difficult to find but some I saw in the pound shop recently were also labelled v. More importantly my supply still measures around volts and I understand there are no plans to change this.

So why are sparks now doing calculations based on a non existent voltage of v? Burkina Faso. Burma officially Myanmar. Canary Islands. Cape Verde. Cayman Islands. Central African Republic. Congo, Democratic Republic of. Cook Islands. Costa Rica. Czech Republic. Dominican Republic. East Timor Timor-Leste. El Salvador.



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