Plastic plugs also exist, for use with plastic boxes. Q: I have several electrical boxes in the basement with open knockouts that I want to seal. The holes are ¾ of an inch across. I've found ...

There are many cases that fit this, but most of them do not come with a front IEEE 1394 port, but rather a plastic knockout for it. Where can I purchase a port to attach to the front? How do I ...