Electrical Safety Regulation
When a homeowner may perform electrical work under a permit
17 (1) Subject to this section, a homeowner may perform electrical work in their fully detached dwelling under an installation permit.
18 (2) An individual may replace the following regulated products without a permit, up to a maximum rating of 150 V to ground, with electrical equipment of a similar type or rating:
(a) receptacles;
(b) cord attachment plugs;
(c) snap switches;
(d) ballasts;
(e) dimmer switches;
(f) fan speed controllers;
(g) thermostats;
(h) overcurrent devices.
(3) An individual may replace, without a permit, a lamp of up to 347 V to ground with a lamp of a similar type or rating.
(4) An individual may replace, without a permit, a fuse of up to 750 V with a fuse of a similar type or rating.
Face plateのみの交換は電気工事ではないのでアパートでも問題になりません
Toggle(スイッチ専用)、Decora(長方形・スイッチコンセント共用)とDuplex(コンセント用)タイプから選びます
ただ、ToggleからDecoraにしたいときは、スイッチ自体の交換が必要なので電気工事となります