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Has anyone come across PNB supplies?
- Thread starter explosif99
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Discuss Pnb in the Talk Electrician area at ElectriciansForums.net
D
Deleted member 26818
You will only find them, where there is a TX feeding just the one customer.
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And even then, you might not even know.
M
MarkieSparkie
PNB (protective neutral bonding) is variation of TN-C-S, it is not defined in BS7671 :2008 but is defined in BS7430 :1998, it is usually used in installations with on-site transformers where the neutral link is made at the switchgear of the main LV panel.
Reply to Pnb in the Talk Electrician area at ElectriciansForums.net
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