A device comprising: a feeding tube including a feeding lumen with an opening at a distal end of the feeding tube and an electrical lumen having access openings spaced apart along the feeding tube; the device further comprising: a set of insulated electrical conductors disposed in the electrical lumen, the set of insulated electrical conductors having electrically exposed portions (132, 132a, 132b) proximate to the access openings; and electrically conductive material portions disposed in the access openings and electrically contacting the proximate electrically exposed portions of the set of insulated electrical conductors disposed in the electrical lumen; characterized by the electrically conductive material portions filling the access openings and having flush or slightly protruding surfaces, electrically conductive coatings disposed at least over the electrically conductive material portions disposed in the access openings, and annular electrically conductive elements (72, 73, 74, 75, 78, 79) disposed around the outside of the feeding tube and electrically contacting the electrically conductive material portions disposed in the access openings. a feeding tube including a feeding lumen with an opening at a distal end of the feeding tube and an electrical lumen having access openings spaced apart along the feeding tube; the device further comprising: a set of insulated electrical conductors disposed in the electrical lumen, the set of insulated electrical conductors having electrically exposed portions (132, 132a, 132b) proximate to the access openings; and electrically conductive material portions disposed in the access openings and electrically contacting the proximate electrically exposed portions of the set of insulated electrical conductors disposed in the electrical lumen; characterized by the electrically conductive material portions filling the access openings and having flush or slightly protruding surfaces, electrically conductive coatings disposed at least over the electrically conductive material portions disposed in the access openings, and annular electrically conductive elements (72, 73, 74, 75, 78, 79) disposed around the outside of the feeding tube and electrically contacting the electrically conductive material portions disposed in the access openings. a set of insulated electrical conductors disposed in the electrical lumen, the set of insulated electrical conductors having electrically exposed portions (132, 132a, 132b) proximate to the access openings; and electrically conductive material portions disposed in the access openings and electrically contacting the proximate electrically exposed portions of the set of insulated electrical conductors disposed in the electrical lumen; characterized by the electrically conductive material portions filling the access openings and having flush or slightly protruding surfaces, electrically conductive coatings disposed at least over the electrically conductive material portions disposed in the access openings, and annular electrically conductive elements (72, 73, 74, 75, 78, 79) disposed around the outside of the feeding tube and electrically contacting the electrically conductive material portions disposed in the access openings.