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Installation
2–2
TDS 684A, TDS 744A, & TDS 784A Service Manual
Table 2–1: Power-Cord Conductor Identification
Conductor Color Alternate Color
Ungrounded (Line) Brown Black
Grounded (Neutral) Light Blue White
Grounded (Earthing) Green/Yellow Green
Table 2–2: Power Cord Identification
Plug Configuration Normal Usage Option Number
North America
125 V
Standard
Europe
230 V
A1
United Kingdom
230 V
A2
Australia
230 V
A3
North America
230 V
A4
Switzerland
230 V
A5
This oscilloscope operates with any line voltage from 90–250 VAC
RMS
with any
line frequency from 45–440 Hz. There are two fuses, either of which may be
used throughout the line voltage and frequency ranges. (The two fuses are not
totally interchangeable as each requires a different fuse cap.)
Operating Voltage