2010年7月29日 · RCCBO 32a 30ma type C for stabreaker. bought of Ebay . T. the sparks New Member. Jul 29, 2010 #12 bought ...

2007年6月1日 · got to a job today rectifying some faults from a periodic in a school, "change rccbo as its faulty and not tripping in the required time" 16a type c memshield 2 changed over all fine until rcd test on x5 >40ms,irt all fine zs 0.35,4mm stranded singles feeding 1 …

2024年11月15日 · Hi there! I installed a tomzn rcbo as i thought it may trip several times during rain when it can not be rectified i will switch off rcbo and use mcb and when its normal will do vice versa, so i give 220 v to a mcb and a rcbo and then both outputs one from mcb other from rcbo combined them...

2010年7月29日 · Ta wally2 an mr Fooman looks like bin job then.

2008年6月20日 · I went to a customer who recently had a board change. There was no RCD protection on any of the sockets or the shower. I changed 4 of the MCBs suppling 2 ring mains, a shower and the cooker for RCBOs. The cooker has a fault on it so I swapped it back and advised the client to have the cooker...

2024年4月25日 · Right guys I’ve been electrician for 5 years and come up with situation I cannot understand, So any help in understanding appreciated. The property has got a RCBO on ring main which keeps tripping but only when anything is drawing power (with everything unplugged it stays on) plug table lamp...

2018年10月14日 · Can you mix and match Rcbo's with Mcb's? I want to replace the ring final mcb in the kitchen with a Rcbo but want to leave the other Mcb's insittu at the moment. Can you mix and match or do you have to change them all out at the same time. Cheers

2009年10月21日 · I'm still on the upward learning curve with three phase and after reading the big red book all morning my brain has frozen. I'm installing a new 3p board in a small industrial unit with TT earthing. All the single phase circuits will be fed from 30mA RCBO's so no probs there. However, as the...

2022年8月29日 · I have a Crabtree Starbreaker split consumer unit. On one side there are MCBs. But on the other side there are four MCBs (3x B32,1x B16) which are protected by an RCCB (100A/30mA). The flat is empty for about four weeks at a time, but at some time during the last empty period, the RCCB tripped...

2021年3月7日 · I was doing some testing prior to a board change in a couple of weeks. The main consumer unit feeds a second one in the kitchen through a 40amp rcbo. When testing the rcbo it was failing the 1/2 test. Did a ramp test and was tripping at 15mA. The 1 times and 5 times test were fine (tripping well...