An electrical contactor assembly includes an electrical contactor, a post in electrical communication with the electrical contactor, an insulator body, and a heat sink. The insulator body is in intimate mechanical contact with the post. The heat sink is in intimate mechanical contact with the insulator body and is in thermal communication with the electrical contactor through the post and the insulator body such that heat flowing between contactor and the heat sink flows through the post and the insulator body.

An electrical contactor assembly includes an electrical contactor, a post in electrical communication with the electrical contactor, an insulator body, and a heat sink. The insulator body is in intimate mechanical contact with the post. The heat sink is in intimate mechanical contact with the insulator body and is in thermal communication with the electrical contactor through the post and the insulator body such that heat flowing between contactor and the heat sink flows through the post and the insulator body.

A Magnetic Resonance Imaging (MRI) enhancement agent includes a plurality of particles, each particle including: a metal core; a dielectric shell disposed on the metal core comprising at least one MRI contrast agent; and a metal shell disposed on the exterior surface of the dielectric shell that encapsulates the dielectric shell.

A Magnetic Resonance Imaging (MRI) enhancement agent includes a plurality of particles, each particle including: a metal core; a dielectric shell disposed on the metal core comprising at least one MRI contrast agent; and a metal shell disposed on the exterior surface of the dielectric shell that encapsulates the dielectric shell.

An electrically insulating gas composition comprises C.sub.3F.sub.7CN, in an amount between 22% and 70% by volume and one or more inert gas selected from the list consisting of nitrogen, carbon dioxide (CO2), air and argon.

An electrically insulating gas composition comprises C.sub.3F.sub.7CN, in an amount between 22% and 70% by volume and one or more inert gas selected from the list consisting of nitrogen, carbon dioxide (CO2), air and argon.

A medium voltage electric cable having a conductor, an inner semi-conductive layer, an insulating layer, an outer semi-conductive layer, a wire metal screen, a filler layer made from an extruded elastomeric low smoke zero halogen (LSOH) composition containing a polyethylene homopolymer and/or copolymer having a density lower than 0.93 g/cm.sup.3 and a metal hydroxide, and an outer sheath made from a low smoke zero halogen (LSOH) composition containing a polymer mixture of an EVA polymer and polyethylene homopolymer and/or copolymer having a density lower than 0.93 g/cm.sup.3, the polymer mixture being charged with a metal hydroxide and a phyllosilicate clay.

A Magnetic Resonance Imaging (MRI) enhancement agent includes a plurality of particles, each particle including: a metal core; a dielectric shell disposed on the metal core comprising at least one MRI contrast agent; and a metal shell disposed on the exterior surface of the dielectric shell that encapsulates the dielectric shell.

A Magnetic Resonance Imaging (MRI) enhancement agent includes a plurality of particles, each particle including: a metal core; a dielectric shell disposed on the metal core comprising at least one MRI contrast agent; and a metal shell disposed on the exterior surface of the dielectric shell that encapsulates the dielectric shell.

A high voltage electrical component for an electric vehicle is provided. The component comprises a polymer composition that includes a polymer matrix containing a liquid crystalline polymer. The composition exhibits a comparative tracking index of about 125 volts or more as determined in accordance with IEC 60112:2003 at a thickness of 3 millimeters. Further, the composition defines an orange surface that is characterized by a L* value of from about 55 to about 75, an a* value of from about 18 to about 38, and a b* value of from about 22 to about 42, wherein L*, a*, and b* are calculated using CIELAB units according to ASTM D2244-16.