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  1. W

    New Appliance 63Amp

    Dear All I am having a heat pump installed and they say it needs a 63amp MCB, i only have a 100 Amp supply coming into the house, if i have the cooker, kettle, immersion heater etc on, will this cause a problem, ie will it blow the main trip/switch ? :?:
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    SWA to Air Source Heat Pump

    I am having an Air Source Heat Pump fitted, it is rated at 8kw i have had 2 quotes from sparkies, 1 quoted for 6mm SWA & 1 quoted for 10mm SWA. :?: The cable run is from a new secondary CU on a 40A MCB, the cable runs in a void below the house (concreate floors & 3ft void to the ground)...
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    Cable Size

    This has probably been asked before, i am planning on having an air source heat pump installed. This lives outside, the max rating is 8Kw, i assume that i need a 40amp breaker, but i need to run armor cable does this work the same as standard T&E ie do i still need 10mm?
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    Lighting in a bathroom

    I am planning to replace a standard ceiling rose type light with 12v LED downlighters, do i need to notify or is it exempt as only 12V? :?
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