Please help me understand following queries,
1)Why neutral has to switch on and off with phases in TN IT and TT systems.
2)When can we use TP breaker with neutral link.I have following situation
I have Sub Distribution Board/panel meant for feeding power sockets.Can I use TP MCCB with neutral link or shall I use TPN mccb as incomer in the panel and can i use outgoing feeders feeding to each sockets as TP mccb with neutral link.
P.S :My system is IT earthing
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