Marechal Electric DS1 Manual De Instrucciones página 18

►WIRING (2/2)
COLOUR-CODED RINGS (except EMC range)
Insert a colour-coded ring between the device and its rear
accessory (handle, angle adapter, etc.).
The two protrusions of the rings must be positioned on the
latch side for the socket-outlet/connector and on the catch
side for the plug/inlet.
This ring acts as a seal.
,
IS 06-1 [DS1/DS3/DS6/DS9] Rev A.0 - 2022-02 18/85