Installation
14
English
2.7 Earthing requirements
Earth terminals are provided on the outside of the
Xgard Bright
enclosure
adjacent to the top-right cable entry, and internally adjacent to the left-hand
sounder out cable connector. For electrical safety it is essential that the
Xgard
Bright
enclosure is bonded to earth, usually using the external earth lug, if an
earth cable is provided in the fi eld cable the internal earth point can be used. The
grounding terminal connection must be tightened using a torque screwdriver to
10Nm; secured using an M4 x 6mm screw, a plain washer and a star/lock washer.
Earthing cables must be 4mm
2
or greater in cross-sectional area.
Diagram 5: Earthing Connections
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