Cooker Circuit
Radial to a cooker control unit (double-pole switch) within 2 m of the cooker.
● Line● Neutral● Earth
Tap any wire, switch or device to see what it is.
Useful Information
Typically 32 A with 6 mm² or 40 A with 10 mm², depending on the appliance and diversity.
Important to know
- Apply cooker diversity: 10 A + 30% of remainder + 5 A if the control unit has a socket.
- Isolator within 2 m, accessible, not directly above the hob.
- Check Zs against Table 41.3 for the device used.
BS 7671:2018+A4:2026 references
433.1537.3Table 41.3Appendix A diversity (OSG)
Study notes paraphrased — check against your copy of BS 7671.