在EN55014-1的5.1.3中有说到电源端子以外的负载端骚扰测试
5.1.3 Voltage probe
The voltage probe shall be used when measuring on terminals other than mains terminals (see 5.2.3.2)
e.g. load and control terminals (5.2.4.4). The voltage probe shall also be used on mains terminals
when the artificial mains V-network cannot be used without unduly influencing the equipment under
test or the test equipment, e.g. while measuring motors and heating devices operating at more than 25
A per phase.