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Cookies Policy


Users visiting our site can rely on our constant commitment in the protection and respect of their
privacy. This information describes our procedures in processing the personal data collected
through cookies when using this site.
By keeping on browsing our website, you agree to the use of cookies, in accordance with the
terms established in this Information. Should you have any further enquiries concerning this
information or should you disagree with the terms stated in it, we do invite you to disable the use
of cookies for this site, following the instructions reported in the “Manage cookies options” section.
We here inform you that this Information may be subject to further updates, according to
modifications in the European and nationals regulations concerning this subject and we therefore
invite you to regularly visit this page in order to make sure that you agree with such modifications.


A cookie is a small file, typically of letters and numbers, downloaded on to a device when the user
accesses certain websites. Cookies allow a website to recognise a user’s device and track users
as they navigate different pages on a website and to identify users returning to a website.
Cookies do not contain any information that personally identifies you, but personal information
that we store about you may be linked, by us, to the information stored in and obtained from
For more information see: http://www.allaboutcookies.org/
Session and persistent cookies
Cookies can expire at the end of a browser session (from when a user opens the browser
window to when they exit the browser) or they can be stored for longer.
Session cookies – allow websites to link the actions of a user during a browser session.These session cookies expire after a browser session so would not be stored longer term. For
this reason session cookies may be considered less privacy intrusive than persistent cookies.
Persistent cookies – are stored on a users’ device in between browser sessions which allows the preferences or actions of the user across a site (or in some cases across different
websites) to be remembered.
First and third party cookies
Whether a cookie is ‘first’ or ‘third’ party refers to the website or domain placing the cookie.
• First party cookies in basic terms are cookies set by a website visited by the user / the website
displayed in the URL window.
• Third party cookies are cookies that are set by a domain other than the one being visited by
the user. If a user visits a website and a separate company sets a cookie through that website
this would be a third party cookie.


We use Google Analytics to analyse the use of this website.
These cookies are used to collect anonymous information from our site regarding: number of
visits, duration of visits, geographic region of the user, connection technology used and browsing
language, thus allowing us to improve the site usability.
More information on: http://www.google.com/intl/en_uk/policies/


The Visa SpA website does not use cookies to collect personally identifiable information about its
visitors. However, if you wish to restrict or even block the cookies which are generated by visa.it,
you can do so through your browser settings. The Help function within your browser will provide
you with an explanation of how to do this.
Select the browser you are currently using among those listed below, to view the instructions to
change cookies settings
Microsoft Internet Explorer
Google Chrome
Mozilla Firefox


This website is owned and operated by Visa SpA.
For further enquiries concerning the protection of your personal data or the use of cookies in our
website, please do contact us at visa@visa.it before starting browsing.


With star the start of each of the three phases is connected together. Connections are taken from the ends of the three phases to give the three phases
Star symbol voltage


With Delta the starts and ends of the phases are connected. The end of phase 1 is connected to the start of phase 2, the end of phase 2 to the start of phase 3, and the end of phase 3 to the start of phase 1. Connections are taken from the three start-end points to give the three phases.
Delta symbol voltage
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