Repairing the Schaffner NSD200E Mains Interference Simulator.
And the dangers of bad mains filters capacitors, and RIFA brand in particular.
HVP-70 High voltage differential probe: https://www.eevblog.com/product/hvp70/

Forum: http://www.eevblog.com/forum/blog/eevblog-1183-rifa-madness-(schaffner-repair)/

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