UL and EN54 standard

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Joined: Tue Jul 12, 2016 5:25 am
YouTube Username: eden

Fri Oct 13, 2017 5:10 am

Hi all,
I understood that UL standard using in USA and installed to the requirement of NFPA 72; EN54 standard have been used in european countries installed to country standard.
Our project in Asia, our country standard accept both UL and EN54 standard for fire alarm system. The owner want to select one of these standard. The question is which standard is higher and more famous around the world?

Pls. help for this question? Thank you all!
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