Safety And Configuration; Safety Information - National Instruments 5541 User Manual And Specifications

Safety and Configuration

Safety Information

Before undertaking any troubleshooting, maintenance, or exploratory procedure,
Caution
carefully read the following caution notices.
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MAINS is defined as a hazardous live electrical supply system that powers hardware. Suitably rated
measuring circuits may be connected to the MAINS for measuring purposes.
© National Instruments
This chapter describes safety information for the NI 5541 and how to
connect the NI 5541 to a power source.
Before connecting the NI 5541 to a power source, read this chapter and the
Read Me First: Safety and Electromagnetic Compatibility document
included with your kit.
This equipment contains voltage hazardous to human life and safety, and is
capable of inflicting personal injury.
• Grounding—The NI 5541 requires a connection from the premise
wire safety ground to the NI 5541 ground. The earth safety ground
must be connected during use of this equipment to minimize shock
hazards. Refer to the
instructions on connecting safety ground.
• Live Circuits—Operating personnel and service personnel must not
remove protective covers when operating or servicing the NI 5541.
Adjustments and service to internal components must be undertaken
by qualified service technicians. During service of this product,
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the MAINS connector to the premise wiring must be disconnected.
Dangerous voltages may be present under certain conditions;
use extreme caution.
• Explosive Atmosphere—Do not operate the NI 5541 in conditions
where flammable gases are present. Under such conditions, this
equipment is unsafe and may ignite the gases or gas fumes.
Connecting Safety Ground
2-1 NI 5541 User Manual and Specifications
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section for