ii
Safety Precautions
Before using this equipment, please read this chapter carefully.
This chapter describes the safety precautions recommended when using the GR
equipment. Before installing and using the equipment, this chapter must be thoroughly read
and understood.
Explanation of symbols used
Signal words such as DANGER, WARNING, and CAUTION, will be followed by
important safety information that must be carefully reviewed.
Indicates an imminently hazardous situation which will result in
death or serious injury if you do not follow the instructions.
Indicates a potentially hazardous situation which could result in
death or serious injury if you do not follow the instructions.
CAUTION Indicates a potentially hazardous situation which if not avoided,
may result in minor injury or moderate injury or property damage.
•Current transformer circuit
Never allow the current transformer (CT) secondary circuit connected to this equipment to
be opened while the primary system is live. Opening the CT circuit will produce a
dangerously high voltage.
•Exposed terminals
Do not touch the terminals of this equipment while the power is on, as the high voltage
generated is dangerous.
•Residual voltage
Hazardous voltage can be present in the DC circuit just after switching off the DC power
supply. It takes approximately 30 seconds for the voltage to discharge.
•Fiber optic
CLASS 1 LASER PRODUCT.
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