Siemens SIPROCESS GA700 Compact Operating Instructions page 41

Unsuitable lines and/or cable glands
Danger of explosion in hazardous areas
• Only use lines and cable glands that are appropriate for the application.
• Tighten the cable glands s in accordance with the torques specified in the
• When replacing cable glands, only use cable glands of the same type.
• After installation check that the lines are seated firmly.
Unsuitable device for non power-limited circuits
• Connect only non-sparking devices to non power-limited circuits in Zone 2 or 22. Ensure
Lack of equipotential bonding
Explosion hazard
Danger of explosion through compensating currents or ignition currents through lack of
equipotential bonding.
• Make sure that equipotential bonding exists for the device.
Exception: It is permissible to omit connection of the equipotential bonding for devices with
type of protection "Intrinsic safety Ex i".
Unprotected cable ends
Danger of explosion through unprotected cable ends in hazardous areas.
• Protect unused cable ends in accordance with IEC/EN 60079-14.
Devices in explosion-proof design
Compact Operating Instructions, 05/2018, A5E35134047-03
WARNING
section "Electrical connections (Page 39)".
WARNING
that these are suitable for operation in hazardous areas of Zone 2 or 22 and for the
conditions present at the location of use.
WARNING
WARNING
Connecting
5.2 Electrical connections
41