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Meter Tails.

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You go to renew an old consumer unit. The Meter is in an outside wall box and the 16.0mm2 tails run in the cavity to a Henley block in the house nearby, where the consumer unit is located at high level. It is impossible to easily install new 25mm2 tails. There is no sign of overheating or damage at all. Do you just run your new 25mm2 tails from your new consumer unit to the Henley block or what? The main fuse must be a 100 Amp fuse as the house has storage heating, also supplied via 16.0mms tails which are in good condition.


Z.
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    You could run them straight  up the outside wall and drill straight though to the board. You shouldn't install them in a cavity anyway, Use SWA, just terminate it properly in a separate enclosure if necessary, with standard tails into the board for ease, but there's usually 25/32mm knockouts in the board anyway
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    You could run them straight  up the outside wall and drill straight though to the board. You shouldn't install them in a cavity anyway, Use SWA, just terminate it properly in a separate enclosure if necessary, with standard tails into the board for ease, but there's usually 25/32mm knockouts in the board anyway
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