Standard window glass, according to the International Ultraviolet Association, allows UVA to pass through while almost 100% of the UVB and UVC light is blocked. In other words, while it can be safe to stare at a UVC lamp through a glass or window, it's not recommended to do so.
9FDcD. qubu9goflo.pages.dev/345qubu9goflo.pages.dev/458qubu9goflo.pages.dev/342qubu9goflo.pages.dev/83qubu9goflo.pages.dev/464qubu9goflo.pages.dev/323qubu9goflo.pages.dev/291qubu9goflo.pages.dev/20
does uv light pass through plexiglass