Dielectric Nipples are common in the case of metal nipples, which is used were dissimilar metals occur in piping and plumbing systems. In metal nipples the rust will build up around the nipples entering the cast iron threaded or the steel coming from the other fittings, which will result in galvanic corrosion. Galvanic corrosion will happen when there is a connection between two dissimilar metals without the use of dielectric fittings. Metals have potential and each type of metal has a different potential. When you make a connection between two or more dissimilar metals using a usual metal nipple you create a potential difference, which makes one metal fitting to corrode and resulting in problem, so to solve this problem dielectric nipples will be used, which will redistribute the charge within its atoms or molecules. This redistribution can alter the shape of an electrical field both inside the dielectric medium and in the region nearby.

Dielectrophoresis is a phenomenon in which a force is exerted on a dielectric particle when it is subjected to a non-uniform electric field. This force does not require the particle to be charged. All particles exhibit dielectrophoretic activity in the presence of electric fields. However the strength of the force depends strongly on the medium and particles' electrical properties, on the particles' shape and size, as well as on the frequency of the electric field. Consequently, fields of a particular frequency can manipulate particles with great selectivity.

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