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richi last won the day on August 7 2017

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About richi

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  1. Overheating

    We didn't like the official Velux external blinds. In the end, we chose aftermarket blinds from The Roof Window Store (a Danish company, shipped from Hungary).
  2. Right, I've finally got a reasonable clarification. First off, forget about N2EX -- UP seems to have changed the way they calculate the tariff. Basically, the tariff moves in lock-step with baseload futures, month by month, recalculated on or around the 15th of the month (they use "UK Base Electricity Futures (Gregorian) - UK Grid"). So if the futures price decreases by £10/MWh, then the tariff decreases by 1p/kWh. Make sense?
  3. If I were you, I'd ....

    Surely you meant "nazi's"?
  4. If I were you, I'd ....

    How about spanking anyone who begins their answer to a question with, "So..."?
  5. If I were you, I'd ....

    Yes, punctuation does differ across the pond, and most of my editorial clients are Over There, so those are usually the style guides I defer to. But I shan't be taking any lessons from Grammarly:
  6. If I were you, I'd ....

    Yes, some modern style guides permit ending a sentence with a "dangling" preposition
  7. If I were you, I'd ....

    Don't get me started on which vs. that.
  8. If I were you, I'd ....

    Colon is correct, because the second part is as a result of the first. You'd use a semi if you had two sentences to join together, but style guides increasingly suggest eliminating semicolons wherever possible. Some style guides have it that you'd capitalise the W if the phrase after the colon was a complete sentence, which it is. But there's no hard-and-fast rule.
  9. If I were you, I'd ....

    She did, did she?
  10. Bit of a cock up

    I'm far from an expert practitioner, but I still don't see the problem. As I see it, your mitigating factors are: A metal conduit in screed isn't going to insulate a warming cable, so a 37 A rating at 30 degrees will be conservative, no? 7 kW is less than 30 A at 240 V, assuming a resistive load The 7 kW spec is probably conservative anyway The 37 A rating will be continuous, and even at Christmas you won't draw 30 A for very long (induction hobs modulate by switching the load off and on fairly fast) @Ferdinand's suggestion of a breaker at the hob end seems like good belt 'n' braces if you're worried (32 A?) I am not an electrician, this is not advice. See also this remarkably similar discussion:
  11. Bit of a cock up

    What is the conduit buried in?
  12. Bit of a cock up

    Isn't a 4mm cable rated at 37A, if ungrouped? That's more than 8kW, surely?
  13. My Nightmare Heating System

    For conventional construction, it's a good idea to keep it warm enough to keep away dampness. Wet materials have a poorer U value, hence the "paradox" of needing less energy to heat a house for 24 hours with timed thermostats (vs. a conventional controller switching the system off overnight and during the day).
  14. Yeah, I've been trying to do this in a spreadsheet, but right now it's not making much sense. Awaiting callback.