Low voltage
According to Approved Document P - Electrical safety – Dwellings:
Low voltage is, ‘A voltage exceeding extra-low voltage, but not exceeding 1000V ac or 1500V dc between conductors, or 600V ac or 900V dc between conductors and earth.’
Where extra-low voltage is, ‘A voltage not exceeding 50V ac or 120V ripple-free dc, whether between conductors or to earth.’
[edit] Find out more
[edit] Related articles on Designing Buildings Wiki
Featured articles and news
Which room is the most fun to design? Find out the 'Grand Designs' presenter's unusual choice in our interview.
Full suite of speakers are announced for this year's BSRIA Briefing event.
Book your place for the Architectural Technology Awards 2018.
There are many ways of classifying types of building. Have a look at our range of building articles.
BSRIA have launched the 'major update' of the go-to design framework guide for building services.
How to get results with building life cycle assessment.
Government publishes a prospectus inviting proposals for new 'garden communities'.
The Morandi motorway bridge in Genoa collapses during rainstorm while undergoing maintenance works.
'Developed design' is a phrase coined by the RIBA for their 2013 Plan of Work. But what does it actually mean?
New green paper published aiming to rebalance the relationship between landlords and residents and tackle stigma.
RIBA calls for a comprehensive ban on combustible materials.