A rigid coupler for use in electrically isolating a fluid conveyance system, said rigid coupler comprising: a nonconductive liner comprising a first end configured to couple to a first adjoining section of the fluid conveyance system, and a second end, opposite said first end, configured to couple to a second adjoining section of the fluid conveyance system; a reinforcing structure circumscribing said nonconductive liner and coupled to a portion of said nonconductive liner extending between said first and second ends of said nonconductive liner, and a fiber overwrap hoop wound about at a least a portion of said reinforcing structure between said first and second ends of said nonconductive liner; characterized in that: the reinforcing structure comprises a multi-axial braided fiber material impregnated with a matrix material; and in that the rigid coupler further comprises: a first end fitting connected to said first end, said first end fitting comprising: an external connector configured to couple to the first adjoining section of the fluid conveyance system; and an internal collar coupled in fluid communication with said external connector and said nonconductive liner, wherein the internal collar is coupled to an internal surface of said nonconductive liner via swaging. a nonconductive liner comprising a first end configured to couple to a first adjoining section of the fluid conveyance system, and a second end, opposite said first end, configured to couple to a second adjoining section of the fluid conveyance system; a reinforcing structure circumscribing said nonconductive liner and coupled to a portion of said nonconductive liner extending between said first and second ends of said nonconductive liner, and a fiber overwrap hoop wound about at a least a portion of said reinforcing structure between said first and second ends of said nonconductive liner; characterized in that: the reinforcing structure comprises a multi-axial braided fiber material impregnated with a matrix material; and the reinforcing structure comprises a multi-axial braided fiber material impregnated with a matrix material; and in that the rigid coupler further comprises: a first end fitting connected to said first end, said first end fitting comprising: an external connector configured to couple to the first adjoining section of the fluid conveyance system; and an internal collar coupled in fluid communication with said external connector and said nonconductive liner, wherein the internal collar is coupled to an internal surface of said nonconductive liner via swaging. a first end fitting connected to said first end, said first end fitting comprising: an external connector configured to couple to the first adjoining section of the fluid conveyance system; and an internal collar coupled in fluid communication with said external connector and said nonconductive liner, wherein the internal collar is coupled to an internal surface of said nonconductive liner via swaging. an external connector configured to couple to the first adjoining section of the fluid conveyance system; and an internal collar coupled in fluid communication with said external connector and said nonconductive liner, wherein the internal collar is coupled to an internal surface of said nonconductive liner via swaging.