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IET Wiring Regulations Amendment 3 Update Event

Oliver Clarke
Hello,

We are holding an event on the 26th May to give an update explaining the changes to The Wiring Regulations in Amendment 3.

If anyone has any questions that they would like to be put to Mark Coles about the new Amendment, please post them on here.

For more information about the event and to register please follow this link: http://www.theiet.org/events/local/236456.cfm


Thanks,

Oliver
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    Given that maximum Ze for a TNC-S system is 0.35 ohms ( based on the five second disconnection time for a 100 Amp BS 88 Gg fuse link), would it be reasonable to expect higher values for fuse links of lesser current rating, such as an 80 Amp or 60 Amp fuse link  ?

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