/usr/share/librecad/library/elektro/power-iso/ is in librecad-data 2.1.2-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/librecad/library/elektro/power-iso/2wt-1.dxf
/usr/share/librecad/library/elektro/power-iso/2wt-2.dxf
/usr/share/librecad/library/elektro/power-iso/3wt-1.dxf
/usr/share/librecad/library/elektro/power-iso/3wt-2.dxf
/usr/share/librecad/library/elektro/power-iso/ACB-1.dxf
/usr/share/librecad/library/elektro/power-iso/ACB-2.dxf
/usr/share/librecad/library/elektro/power-iso/C.dxf
/usr/share/librecad/library/elektro/power-iso/CB-1.dxf
/usr/share/librecad/library/elektro/power-iso/CB-2.dxf
/usr/share/librecad/library/elektro/power-iso/CB-3.dxf
/usr/share/librecad/library/elektro/power-iso/CT-1.dxf
/usr/share/librecad/library/elektro/power-iso/CT-2.dxf
/usr/share/librecad/library/elektro/power-iso/ES.dxf
/usr/share/librecad/library/elektro/power-iso/Fuse.dxf
/usr/share/librecad/library/elektro/power-iso/GOS.dxf
/usr/share/librecad/library/elektro/power-iso/Gen.dxf
/usr/share/librecad/library/elektro/power-iso/Gnd.dxf
/usr/share/librecad/library/elektro/power-iso/L.dxf
/usr/share/librecad/library/elektro/power-iso/LA-1.dxf
/usr/share/librecad/library/elektro/power-iso/LA-2.dxf
/usr/share/librecad/library/elektro/power-iso/LTCB.dxf
/usr/share/librecad/library/elektro/power-iso/MCCB.dxf
/usr/share/librecad/library/elektro/power-iso/Mot.dxf
/usr/share/librecad/library/elektro/power-iso/PT-1.dxf
/usr/share/librecad/library/elektro/power-iso/PT-2.dxf
/usr/share/librecad/library/elektro/power-iso/R.dxf
/usr/share/librecad/library/elektro/power-iso/WaveTrap.dxf