need some help , fitted new RCBO to ring main and it tripped after a few hours. Replaced rcbo with new one and this tripped after 1 hr. tested ring main cables clear between Live,Neutral and earth and all clear to earth.Any help will do
Since the term RCBO (residual-current circuit breaker with overcurrent protection) is not used in North America (but is used in other English speaking countries), in conjunction with the use of the term "ring main", I strongly suspect that cossak resides in the UK - although he has not posted this as his "Location" - in this, his first post!Maybe they don't like ring mains ?
I thought you didn't use ring mains in the USA ?