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Meter Man.

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An e.on meter man recently attended a job to upgrade the meter tails from 16.0mm2 to 25mm2. There are two supplies and he fitted a new D.P. isolator for one supply which previously did not have one.


I noticed that he had sealed everything with what appear to be plastic seals, including my downstream D.P. Henley block. Why?


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    I noticed that he had sealed everything with what appear to be plastic seals, including my downstream D.P. Henley block. Why?

    Some types of service connectors have cover fixing screws that have tall heads that sit proud of the cover (presumably to make them sealable if used on the supplier's side) - the downside is that they can then sometimes be undone with just fingers (depending on how tightly they were done up and how worn the threads have become). So my guess is that the meter guy has been taught to seal all henley blocks to ensure live parts can't be accessed without a tool.


      - Andy.
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  • 0
    I noticed that he had sealed everything with what appear to be plastic seals, including my downstream D.P. Henley block. Why?

    Some types of service connectors have cover fixing screws that have tall heads that sit proud of the cover (presumably to make them sealable if used on the supplier's side) - the downside is that they can then sometimes be undone with just fingers (depending on how tightly they were done up and how worn the threads have become). So my guess is that the meter guy has been taught to seal all henley blocks to ensure live parts can't be accessed without a tool.


      - Andy.
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