ABB OneFit Instruction Manual page 19

D I S T R I B U T I O N S O LU T I O N S
Figure 19c. Portable equipment for earthing
Please note the earth fault capability needs to be
coordinated between the Cable test truck, the
portable equipment for earthing and OneFit
earthing blade and earth connection to original
panel earth conductor. Maximum earth fault
capability is limited by the weakest component in
this chain.
Rated values of each component are available on
its ratings label.
9) Connect the test lead connections and remove
the portable equipment for earthing by using
the insulating rod tool.
CAUTION
From this point on all connections and test
equipment shall be considered live.
10) Proceed with cable testing according to
customer procedure.
11) Ensure that customer cable test equipment is
switched off and disconnect its power supply.
Beware of residual voltage that may be
present of cables, especially when DC tested.
This may lead to sparks when earthing the
terminals.
12) Connect to earth clamping the ball earth
terminal and ball phase terminals (25mm
diameter) by a portable equipment for
earthing, using an adequate insulating rod and
PPE.
13) Disconnect the test lead connections.
14) Disconnect the portable equipment for
earthing.
15) Lock back in secure closed position the
insulated transparent window, blocking access
to the cable test truck terminals. Follow the
reverse instructions from step No.5 to step
No.1.
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