Domestic Circuits Flashcards
1
Q
Radial Circuit
A
Feeds each light in turn - these circuits are used for lighting circuits
Identified by having only 1 conductor
2
Q
Ring final circuit
A
Used for domestic 13 A sockets - circuit cables start and finish at consumer unit and pick up each socket in turn
Identified by having 2 conductors
3
Q
What does it mean if more than 2 conductors are found in a circuit?
A
A spur has been taken from the circuit at the consumer unit
4
Q
What level of protection is required for sockets that “ordinary persons” can access as per Regulation 411.3.3 of BS 7671?
A
30 mA RCD
