Natal Pluto is the sign where your Pluto was placed during birth time, and from there other houses are calculated clock-wise.
If you were born with Pluto in Virgo, then your natal house is Virgo (Kanya Rasi) and during transit, Rahu or Ketu forming conjunction (in Virgo), sextile (aspect of 60° which are Cancer and Scorpio in this case), square (aspect of 90° which are Sagittarius and Gemini here), trine (aspect of 120° which are Capricorn and Taurus here), opposition (aspect of 180° which is Pisces here) are discussed in this article.
Conjunction is transiting through same sign as in birth chart, sextile is transiting 3rd or 11th house, trine is transiting 5th or 9th house, opposition is transiting 7th house from natal sign.
It takes 84 years for Uranus to come back to its natal position and this transit is of not much importance to humans. But countries, states, big organizations can experience Transit Uranus conjunct Natal Uranus. Humans experience sextile, square, trine and opposition.
Transit Uranus conjunct Natal Pluto : Firmness for important changes is the key note of this transit. The native compulsively brings about revolutionary changes in his life pattern. The native faces altogether different circumstances due to to his new interests and values that may or may not be for his benefit. The native may go through disturbing clairvoyant experiences. Some natives may be subject to sudden drastic changes due to cultural, political, economic turmoil brought about by wars and revolutions. It is better for the native to go along with changes peacefully than to resist forces beyond his control.
Transit Uranus Sextile Natal Pluto : Constructive changes for values and objectives in life is the characteristic of this transit. The native may have sudden awareness how to use his energy constructively. An excellent transit for scientists, technologists, and for those interested in parapsychology or occult, being full of intuitive insights. The native may improve his business by introducing modern technology. The native may gain through joint finances, inheritances etc.
Transit Uranus Square Natal Pluto : Disruptive and drastic changes characterize this transit. The native should accept changes brought about by forces beyond his control than to resist. The native may lose permanently people who have been his inspirations to achieve his goals and objectives. However, the native should not initiate any changes from his side at this time. The native may not get benefits from joint finances etc. People in authority may be inimical to the native.
Transit Uranus Trine Natal Pluto : Greater understanding for higher levels of life characterize this transit. The native tends to leave out old conditions for exciting life and he intuitively makes important changes accordingly. The native tends to bring about radical changes for improvement of social conditions. The native better understands spiritual laws, astrology, occult etc., now. The individual may gain through joint finances etc.
Transit Uranus Opposition Natal Pluto : Sweeping changes leaving the things worn out characterize this transit. The native has a desire to overthrow the existing order If the native is disinclined for a change then changes may be brought about by forced political, economic or cultural turmoil or by natural calamities, wars or revolutions. The native may lose permanently someone important to him, old friends and associations. The native is engaged in power struggle in all his affairs. The native should avoid occult practices of inferior nature now.