HP 3457A Service Manual page 35

34574 Installation
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POWER CORDS
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Country Part Number | Opt. | Voltage
Australia 8120-1369 901 250V 6A
Denmark 8120-2956 912 | 250V 6A
Europe 8120-1689 902 250V 6A
Great Britain 8120-1351 900 | 250V 6A
Switzerland 8120-2104 906 | 250V 6A
"United States 8120-1378 903 | 120V 10A
"United States 8120-0698 904 | 240V 10A
Power cords supplied by HP have polarities matched to the power input socket on the instrument:
¢ L = Line or Active Conductor (also called "live" or "hot").
* N = Neutral or Identified Conductor
* E = Earth or Safety Ground
Figure 2-3. Power Cables
2-12. Grounding Requirements
2-14, Bench Use
2-16. Rack Mounting