Guide to 17th Edition Consumer Units

18 / 22

Cooker Sockets Sockets Lights Shower Lights Smoke
Option 4 Split Load Twin RCCB
This arrangement provides two separate
30mA RCCBs with the circuits spread
across both. The design of the circuit
arrangements need to ensure that
nuisance tripping is unlikely, thereby
limiting the inconvenience or potential
hazards that a loss of supply can cause.
However with several circuits being
supplied from on RCD, certain
compromise must be accepted.
Guide to | 17th Edition Consumer Units 18
“Careful design of circuits to ensure
nuisance tripping is unlikely”