Exactly this.
We have had an RCD fail itself (the feed from the solar inverter which cause some head scratching) but the answer would still be “get someone who officially knows what they are doing to get and fit one” if that is the case.
Exactly this.
We have had an RCD fail itself (the feed from the solar inverter which cause some head scratching) but the answer would still be “get someone who officially knows what they are doing to get and fit one” if that is the case.