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Figure 1.3-1
10
TM1700-sEriEs
ZP-BL16E
BL1448GE
1 sAFETy
1.3 Protective earthing
procedure in HV
environments
IMPORTANT
Protective earth (ground)
Connect the clamp of the yellow/green protective
conductor supplied with
instrument
to station earth
(ground) and the other end of the conductor to the
terminal on
instrument
marked
This connection must be done before any test cables
and the mains supply cable are connected to
instru-
ment
and this connection shall be the last connection
removed.
The earthing (grounding) is needed since induced cur-
rent from the High-Voltage Circuit Breaker can cause
hazardous voltages. see Figure 1.3-1.
Preparation of the circuit breaker
Before connecting or disconnecting the
instrument
to a High-Voltage Circuit Breaker, make sure the
breaker is closed and earthed (grounded) on both
sides according to local safety regulations.
Connection of test cables to the circuit
breaker
All connections and disconnections of cables at the
Circuit Breaker shall be done while the breaker is
closed and grounded on both sides according to local
safety regulations.
Mains supply - Voltage
The
instrument
shall only be supplied by power ac-
cording to the specifications stated at the mains inlet
on
instrument
.
Always connect the
instrument
to a power outlet
with protective ground.
Mains supply - Protective earth (ground)
Dangerous voltage may be present in systems that are
earthed separately.
Содержание TM1700 Series
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Страница 15: ...BL1448GE ZP BL16E TM1700 series 15 3 System overview...
Страница 25: ...BL1448GE ZP BL16E TM1700 series 25 4 CABA Local...
Страница 61: ...BL1448GE ZP BL16E TM1700 series 61 5 Perform testing...
Страница 75: ...BL1448GE ZP BL16E TM1700 series 75 7 Specifications...
Страница 85: ...BL1448GE ZP BL16E TM1700 series 85 10 Quick Guide...
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