Single Load Connections
Tightening torque cannot exceed 10.8 Nm (8 lb-ft).
1. As shown in the following figure, terminate all load wires with wire terminal lugs securely
attached. DO NOT use unterminated wires for load connections at the power supply.
2. Route the wires through the safety cover before attaching them to the bus bars. Knockouts are
provided on for larger diameter wires. The figure illustrates the recommended hardware for con-
necting wires to the bus bars. You must provide all cabling. Ensure that the wire-mounting hard-
ware does not short the output terminals.
3. Attach the wire terminals to the inside of the bus bars to ensure enough space for installing the
shield. Twist or bundle the load wires to reduce lead inductance and noise pickup. The goal is to
always minimize the loop area or physical space between the + and - output leads from the power
supply to the load.
4. Attach the safety cover to the rear panel. Note that heavy wiring cables must have some form of
strain relief to prevent bending the safety cover or bus bars.
Keysight N6900/N7900 Series Operating and Service Guide 71
2 Installing the Instrument
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