7.3 Individual houses (without repeater)
1) = surge protector
As there is no repeater used in this node, there is no isolated channels created. S.Gnd is not connected to earth (PE).
Input cable (coming from central heating station) shield MUST be oating and output cable shield is connected to earth. Or the input and
output shield continuity is maintained and it is not connected to earth (As shown above).
This is to maintain single point earthing in each network, on common reference signal (S.Gnd) and shield cable (Refer section 5 point 5,
6).
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