(25) 一个视频讲清楚双控开关的三种连接方式---Three connections for 3-way switches
6:17
(24) 找几片木头，给孩子做一个反重力玩具。 Make an anti-gravity toy for your children with a few pieces of wood。
7:23
(141)专业洗手间翻新(14) 壁龛是是如何嵌进墙里的呢？/How is the niche built into the wall?
1:50
#燈泡串聯 與 #燈泡並聯
13:18
2/3/4Way灯与开关的电源布线连接，加拿大Edmonton ROY 装修DIY
20:08
如何加装一盏灯？(DIY: How to add a light and control switch in your basement or garage)
13:17
(149)如何安装电热水炉，三种热水炉的比较与选择/How to install electric watertank, three types watertank compare select
5:29
一灯双控的4种接法，我猜就算老电工，也只知其一
6:18