2 - 8 WS80A Service Manual
Electrical Safety
This equipment is categorized as a Class I device with Type BF or Type CF (ECG) applied parts.
CAUTION
■ As for US requirement, the LEAKAGE CURRENT might be measured from
a center-tapped circuit when the equipment connects in the United States
to 240V supply system.
■ To help assure grounding reliability, connect to a “hospital grade” or
“hospital only” grounded power outlet.
Prevention of Electric Shock
In a hospital environment, hazardous current can form due to potential differences between
exposed conductive parts and connected devices. The solution to the problem is consistent
equipotential bonding. Medical equipment is connected with connecting leads made up of
sockets which are angled to the equipotential bonding network in medical rooms.
[Figure 1.1 Equipotential Bonding]
Additional equipment connected to medical electrical equipment must comply with the
respective IEC standards (e.g., IEC 60950/EN 60950 for data processing equipment, IEC
60601-1/EN 60601-1 for medical devices). Furthermore, all components of the product shall
comply with the requirements for medical electrical systems IEC 60601-1-1/EN 60601-1-1. Any
person connecting additional equipment to the signal input and output ports of medical electrical
equipment must verify that the equipment complies with IEC 60601-1-1/EN 60601-1-1.
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