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Do-It-Yourself (DIY) Question & Answer Forum
Is a 17th Edition metal consumer unit still legal to fit?
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<blockquote data-quote="Sparksfly" data-source="post: 538741" data-attributes="member: 2321"><p>KT64 has some RCD A tests for many years...!!!</p><p></p><p>..................as already mentioned.... you are fine with a 17th ed board...you can always upgrade RCDs to type A later... if needed.</p><p></p><p>I think the main 17/18th "issue" was the dual RCD total ratings should have enough head room to take the load of the related MCBs avoiding overload. However, in real life I have seen plenty RCD's covering large total amperage without issues. Hello diversity!</p><p></p><p>SPD's - How many TV's, electrical goods, PC's etc have blown up due to transient voltages in the last 10/20 years?.... Well... you can REFUSE SPD's in your own house...YES.. it is perfectly okay to refuse them....YOUR choice...it can be put down as a non-compliance... a dedicated space on the certs... not a problem.</p><p></p><p>RCD's AC Vs type A/B/F - Perfectly okay to use type AC, however If you do use PV/EV they should be covered by a type A etc and any existing RCD upstream in the consumer unit should be compatible with the tripping characteristics of type A to avoid blinding. However, outside EV etc.. they are okay to use if you don't have too much DC stuff in your own home. </p><p>......I wonder how many earlier PV setups have type AC !!</p><p></p><p>.....Don't you just love marketing and binning type AC RCDs creating more damage to the environment.[ATTACH=full]14719[/ATTACH]</p></blockquote><p></p>
[QUOTE="Sparksfly, post: 538741, member: 2321"] KT64 has some RCD A tests for many years...!!! ..................as already mentioned.... you are fine with a 17th ed board...you can always upgrade RCDs to type A later... if needed. I think the main 17/18th "issue" was the dual RCD total ratings should have enough head room to take the load of the related MCBs avoiding overload. However, in real life I have seen plenty RCD's covering large total amperage without issues. Hello diversity! SPD's - How many TV's, electrical goods, PC's etc have blown up due to transient voltages in the last 10/20 years?.... Well... you can REFUSE SPD's in your own house...YES.. it is perfectly okay to refuse them....YOUR choice...it can be put down as a non-compliance... a dedicated space on the certs... not a problem. RCD's AC Vs type A/B/F - Perfectly okay to use type AC, however If you do use PV/EV they should be covered by a type A etc and any existing RCD upstream in the consumer unit should be compatible with the tripping characteristics of type A to avoid blinding. However, outside EV etc.. they are okay to use if you don't have too much DC stuff in your own home. ......I wonder how many earlier PV setups have type AC !! .....Don't you just love marketing and binning type AC RCDs creating more damage to the environment.[ATTACH type="full"]14719[/ATTACH] [/QUOTE]
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Is a 17th Edition metal consumer unit still legal to fit?
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