A wiring assembly includes a differential input port, adifferential output port, and first and second pairs ofelectrical leads. The differential input port is configuredto receive a differential signal from a sensor at a firstend of the wiring assembly. The differential output port isconfigured to output the differential signal at a second endof the wiring assembly. The first and second pairs ofelectrical leads convey the differential signal from thefirst end to the second end, and are connected to oneanother at the first end and at the second end in aconfiguration that cancels pickup of an ambient magneticfield by the wiring assembly.
