3 ms·
This is what is used in the UK: http://en.wikipedia.org/wiki/Synchronization_%28alternating_current%29 http://en.wikipedia.org/wiki/Synchronization_%28alternati
by abritishguy 12y ago
This is what is used in the UK: http://en.wikipedia.org/wiki/Synchronization_%28alternating_current%29 http://en.wikipedia.org/wiki/Synchronization_%28alternating_...