3
CONNECTION DIAGRAMS FOR FIELD VERSIONS
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OPTIFLUX
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07/2010 - 7309482600 - AD EX IFC 300 R06 en
3.2 Signal cable B
The signal cable B is a triple screen shielding cable, according to EN 60079-14 clause 12.2
(Intrinsic safety).
Figure 3-2: Construction of signal cable B
1
Stranded drain wire for the inner shield (10), 1.0 mm
2
Cu / AWG 17 (not insulated, bare)
2
Insulated wire (2), 0.5 mm
2
Cu / AWG 20 with stranded drain wire (20) of shield
3
Insulated wire (3), 0.5 mm
2
Cu / AWG 20 with stranded drain wire (30) of shield
4
Outer sheath
5
Insulation layers
6
Stranded drain wire (6) for the outer shield (60), 0.5 mm
2
Cu / AWG 20 (not insulated, bare)