we don't have such code requirement.
It was added 10 years ago in my state, check if upgraded
我的都有tray, 一开始Handyman建议，说漏水时能尽早看到。我就每个都装，即使code不要求，我觉得为何不用呢？
对，看看这个漏水
borisg
2026-01-04 10:42:49we don't have such code requirement.