Smeg A4-5 - Manual (Page 6)

Instructions for the Installer
48
Operation at 380-415V3N~: use a H05RR-F
or H05RN-F five-wire cable (cable of 5 x 1.5
mm2).
Operation at 380-415V2N~: use a H05RR-F
or H05RNF four-wire cable (cable of 4 x 2.5
mm2).
Operation at 220-240 V~: use a H05RR-F /
H05RNF three-wire cable (cable of 3 x 6
mm2).
The earth wire (yellow-green) must be at
least 20 mm longer than the other wires at
the end for connection to the appliance.
The manufacturer declines all responsibility for injury or damage
caused by failure to comply with the above regulations or deriving from
tampering with even just one part of the appliance.