/usr/share/qelectrotech/elements/sources/ is in qelectrotech-data 0.22+svn897-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/qelectrotech/elements/sources/multifilaire/
/usr/share/qelectrotech/elements/sources/multifilaire/qet_directory
/usr/share/qelectrotech/elements/sources/multifilaire/src_1pn.elmt
/usr/share/qelectrotech/elements/sources/multifilaire/src_3p.elmt
/usr/share/qelectrotech/elements/sources/multifilaire/src_3pn.elmt
/usr/share/qelectrotech/elements/sources/multifilaire/src_n.elmt
/usr/share/qelectrotech/elements/sources/multifilaire/src_p.elmt
/usr/share/qelectrotech/elements/sources/qet_directory
/usr/share/qelectrotech/elements/sources/tevenin_norton/
/usr/share/qelectrotech/elements/sources/tevenin_norton/courant_n.elmt
/usr/share/qelectrotech/elements/sources/tevenin_norton/courant_o.elmt
/usr/share/qelectrotech/elements/sources/tevenin_norton/qet_directory
/usr/share/qelectrotech/elements/sources/tevenin_norton/tention_n.elmt
/usr/share/qelectrotech/elements/sources/tevenin_norton/tention_o.elmt