Low voltage
According to Approved Document P - Electrical safety – Dwellings:
Low voltage is, ‘a voltage exceeding extra-low voltage, but not exceeding 1,000 V ac or 1,500 V dc between conductors, or 600 V ac or 900 V dc between conductors and earth.’
Where extra-low voltage is, ‘A voltage not exceeding 50 V ac or 120 V ripple-free dc, whether between conductors or to earth.’
[edit] Related articles on Designing Buildings Wiki
Featured articles and news
Alternative futures for heritage
Assembling, curating, caring for, and designing the future.
A sensitive approach to renovating a building of historic stature.
The future of UK power generation
UK energy policy uncertainty as Welsh project put on hold
What collaborative working achieves and how it can be put in place.
BSRIA publishes the 2019 edition of its small but concise annual databook.
Using QSAND to measure the performance of disaster response.
What U-values are, why they matter and how they are calculated.
Planning for a more bio-resourceful future
The need to ensure that we plan for all aspects of our bio-economy
BSRIA calls on government to reach deeper into the causes of pollution.
George Demetri brings a whole new level of technical knowledge to Designing Buildings Wiki.
Quality professionals need to take an active role in driving the completion process forwards.
The innovations needed to move from rhetoric to realisation.