SHOCK HAZARD The instrument requires a chassis ground connection through a
separate conductor. The ac mains must include an earth ground connection.
In cases were the unit is not hardwired to the electrical system, a locking connector
scheme should be used such as UL 498, IEC 60309, or equivalent. Consult a local
electrician for the connector scheme appropriate for your region.
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The following wire specification and preparation
applies (see power cord recommendation)::
Cable insulation stripping length: 45 - 50 mm
Wire insulation stripping length: 15 mm
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Recommended ferrules for AWG are:
10 AWG: Phoenix Contact 3201107
12 AWG: Phoenix Contact 3200959
Recommended crimp tool is Hand Tool Crimper,
Phoenix Contact p/n CRIMPFOX 6, MPN 1212034.
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Twist and insert the stranded wire completely into
the ferrules.
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Crimp the ferrules onto the wires. Ensure
that there are no exposed wire strands.
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Crimp an M5 ring lug onto the ground wire
(TE Connect p/n 130171).
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Insert the terminated ends of the power
cord through the strain relief of the safety
cover. The safety cover strain relief is
designed to accommodate both a wire
cable, or individual wires.
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Do not tighten the strain relief yet.
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Attach the line wires to the L1 - L3 terminals.
(U.S. color code shown)
Always use a flat blade screwdriver to
release and fully open the wire clamp
when installing stranded wire.
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Connect the ground wire to the chassis stud
located below the ac mains connector.
Torque the M5 combination nut to 20 in-lbs.
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Attach the safety cover to the unit using the three
T10 screws provided.
Torque the cover screws to 9 in-lbs.
Tighten the strain relief.
Keysight MP4300 Series Operating and Service Guide 43
2 Installing the Instrument
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