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Do-It-Yourself (DIY) Question & Answer Forum
Protecting Fridge/freezer...
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<blockquote data-quote="Bruspark" data-source="post: 328411" data-attributes="member: 20106"><p>No one mentioned that distributing the appliances that often leak a little (washers, kettles, immersion heaters PC /IT equipment, fridges etc) by design or otherwise around multiple 30mA RCBOs gives the whole installation a bit more headroom compared to traditional 1RCD where once the total leakage tops say 12mA it's likely to go 'over the edge' on any random (and therefore confusing) switch on, power event or fuse blow.</p><p></p><p>Practicing what I preach I've put all RCBO boards with separate fridge/freezer, alarm, smoke and boiler circuits in the 2 houses I've owned since it was first practical (not cheap) and having lived with it for a total of 10 years+ now still feel the benefits outweigh the risks others mentioned. It can be complicated to work out let alone explain all the pro and cons though. For me the 'better overall immunity to random stuff i see in other houses' is the decider not the separate smokes vs lighting circuit +smokes debates ( though my smokes have battery backup as does my alarm). Of course cost of the kit is an issue for many!</p><p></p><p>Personally I suspect my kids would notice fridge failure within the hour at any time of day so I'm ok with that being on the same supply as the freezer ...</p><p> </p></blockquote><p></p>
[QUOTE="Bruspark, post: 328411, member: 20106"] No one mentioned that distributing the appliances that often leak a little (washers, kettles, immersion heaters PC /IT equipment, fridges etc) by design or otherwise around multiple 30mA RCBOs gives the whole installation a bit more headroom compared to traditional 1RCD where once the total leakage tops say 12mA it's likely to go 'over the edge' on any random (and therefore confusing) switch on, power event or fuse blow. Practicing what I preach I've put all RCBO boards with separate fridge/freezer, alarm, smoke and boiler circuits in the 2 houses I've owned since it was first practical (not cheap) and having lived with it for a total of 10 years+ now still feel the benefits outweigh the risks others mentioned. It can be complicated to work out let alone explain all the pro and cons though. For me the 'better overall immunity to random stuff i see in other houses' is the decider not the separate smokes vs lighting circuit +smokes debates ( though my smokes have battery backup as does my alarm). Of course cost of the kit is an issue for many! Personally I suspect my kids would notice fridge failure within the hour at any time of day so I'm ok with that being on the same supply as the freezer ... [/QUOTE]
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