Furuno FELCOM251, Installation Manual

Page: 67 / 122

4. GROUNDING AND RF PROTECTION
4-14
4.9 Separate Ground Cable
4.9.1 Ground cable – construction
When dealing with electrical installations in a marine environment, all wiring must be
done with double insulated, tinned, high quality and if exposed also UV resistant ca-
bles. This shall also apply to the separate ground cable mentioned in the previous
paragraphs.
The ground cable is constructed using an appropriate cable with a cross section area
of at least 6 mm
2
(AWG9) and terminated with insulated ring crimp terminals – see
illustration below. The crimp terminals must be a marine approved type e.g. the Du-
raSeal series from Raychem.
Antenna Unit:
M10 Insulated Ring Terminal
(Raychem, DuraSeal Series)
Communication Unit:
M4 Insulated Ring Terminal
(Raychem, DuraSeal Series)