Philips 170A7 - Manual (Page 23)

1. The GREEN AND YELLOW wire must be connected to
the terminal in the plug which is marked with the letter "G"
or by the Ground symbol or coloured GREEN or GREEN
AND YELLOW.
2. The BLUE wire must be connected to the terminal which
is marked with the letter "N" or coloured BLACK.
3. The BROWN wire must be connected to the terminal
which marked with the letter "L" or coloured RED.
Before replacing the plug cover, make certain that the cord
grip is clamped over the sheath of the lead - not simply
over the three wires.
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