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O N E F I T - C A B L E T E S T A N D T E M P O R A R Y E A R T H I N G T R U C K I N S T R U C T I O N M A N U A L
18
—
Cable test truck procedure
8) Connect to earth clamping the ball earth
terminal as shown in figure 19a (25mm
diameter) and ball phase terminals as shown in
figure 19b (25mm diameter) by a portable
equipment for earthing as shown in figure 19c,
using an insulating rod and PPE; that they are
adequate to the equipment voltage class.
Check the device fault level capability
according to IEC 61230 Live working - Portable
equipment for earthing or earthing and short-
circuiting.
Temporary work earthing ensure solid
grounding of the cable test truck and only
when such device is in place it is safe to
connect the testing equipment leads to the
terminals.
Consider the equipment live until completely
earthed.
DANGER
WARNING
Figure 19a. Clamping the ball earth terminal
Figure 19b. Clamping the ball phase terminal
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