/usr/share/librecad/library/elektro/lamp/ is in librecad-data 2.1.2-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/librecad/library/elektro/lamp-iso/Lamp.dxf
/usr/share/librecad/library/elektro/lamp-iso/Neon-lamp.dxf
/usr/share/librecad/library/elektro/lamp-iso/Neon.dxf
/usr/share/librecad/library/elektro/lamp/hl_1.dxf
/usr/share/librecad/library/elektro/lamp/hl_10.dxf
/usr/share/librecad/library/elektro/lamp/hl_11.dxf
/usr/share/librecad/library/elektro/lamp/hl_12.dxf
/usr/share/librecad/library/elektro/lamp/hl_13.dxf
/usr/share/librecad/library/elektro/lamp/hl_14.dxf
/usr/share/librecad/library/elektro/lamp/hl_15.dxf
/usr/share/librecad/library/elektro/lamp/hl_17.dxf
/usr/share/librecad/library/elektro/lamp/hl_18.dxf
/usr/share/librecad/library/elektro/lamp/hl_19.dxf
/usr/share/librecad/library/elektro/lamp/hl_2.dxf
/usr/share/librecad/library/elektro/lamp/hl_20.dxf
/usr/share/librecad/library/elektro/lamp/hl_21.dxf
/usr/share/librecad/library/elektro/lamp/hl_22.dxf
/usr/share/librecad/library/elektro/lamp/hl_23.dxf
/usr/share/librecad/library/elektro/lamp/hl_24.dxf
/usr/share/librecad/library/elektro/lamp/hl_25.dxf
/usr/share/librecad/library/elektro/lamp/hl_26.dxf
/usr/share/librecad/library/elektro/lamp/hl_27.dxf
/usr/share/librecad/library/elektro/lamp/hl_28.dxf
/usr/share/librecad/library/elektro/lamp/hl_29.dxf
/usr/share/librecad/library/elektro/lamp/hl_3.dxf
/usr/share/librecad/library/elektro/lamp/hl_4.dxf
/usr/share/librecad/library/elektro/lamp/hl_5.dxf
/usr/share/librecad/library/elektro/lamp/hl_6.dxf
/usr/share/librecad/library/elektro/lamp/hl_7.dxf
/usr/share/librecad/library/elektro/lamp/hl_8.dxf
/usr/share/librecad/library/elektro/lamp/hl_9.dxf
/usr/share/librecad/library/elektro/lamp/l1.dxf
/usr/share/librecad/library/elektro/lamp/l2.dxf
/usr/share/librecad/library/elektro/lamp/ln1.dxf
/usr/share/librecad/library/elektro/lamp/nl.dxf
/usr/share/librecad/library/elektro/lamp/sg.dxf