Simrad ES 18 - DATASHEET REV C, Installation Manual

Page: 47 / 88

404770/B
45
Splicing the cable using a grounded junction box
Do not solder the wires together using only electrical tape for insulation. This will result
in electrical noise and reduced operational performance.
A
Junction box
B
Cable gland
C
Terminal block
D Cable
E
Cable screen (Do not connect
the cable screen to vessel
ground.)
F
The junction box may be
connected to vessel ground.
Procedure
1 Mount the junction box in a
suitable location.
2 Terminate the steel conduit
containing the transducer cable
to the junction box housing, or
as close to the junction box as
possible.
3 Feed the cables through the cable glands.
4 Remove the insulation from the transducer cable. Connect the individual wires
to the terminal block.
5 Remove the insulation from the extension cable. Connect the individual wires
to the terminal block.
6 Make sure that you have connected the wires 1:1, and that the colours match.
7 Connect the screens from both cables together.
8 Make sure that the cable screens do not have any electrical connection to the
junction box housing or the cable gland.
If necessary, insulate the screens.
Related topics
Cable layout and interconnections, page 37
Cable layout and interconnections