Patent ID: 7048577

Claim:
A waterproof splitter box comprising: a hollow casing with threaded sleeves integrally extending out of the hollow casing; plastic inserts each securely received in a corresponding one of the threaded sleeves and defined therein a path; rubber plugs each received in the path of a corresponding one of the plastic inserts, wherein a mediate portion of the rubber plug has a diameter larger than a diameter of the bottom portion of the rubber plug and the diameter of the bottom portion is slightly smaller than a diameter of a corresponding threaded sleeve such that the bottom portion is able to be received in the corresponding threaded sleeve; connecting blades each extending into a corresponding one of the plastic inserts and out of the rubber plug which is received in the plastic insert; and signal wires each extending and connecting to a corresponding one of the connecting blades for transmitting a signal, whereby engagement between the connecting blade and the rubber plug prevents moisture from entering the hollow casing so that the transmitted signal is steady.