Following Storm Éowyn, householders who live off-grid share their tips for self-sufficiency.

You can revise mains electricity by clicking the links below. Click the links below to try our GCSE physics exam-style or quick-fire quizzes and test your skills and knowledge.

Mains electricity refers to the energy that is brought into people's homes. Key fact The mains supply in the UK is an alternating current (ac) voltage at a frequency of 50 hertz (Hz) and a voltage ...

There are a number of precautions you can take when working with mains power. We’ve all used the simple in-line power strip so you can quickly switch off the current, but [Yann] has included a ...

no mains sewerage and no mains electricity." Sam Wood is one of the 48 people living in the remote Upper Coquet valley in Northumberland, in farms and cottages dotted along a single track road ...