Rush Limbaugh -- Bomb Squad Races to Home Over Suspicious Package

The bomb squad is currently sweeping through Rush Limbaugh's Palm Beach home after a suspicious package was discovered on scene.

According to local reports, Limbaugh's security team discovered the package and notified authorities.

4:55 PM PST -- Crisis over ... almost.

Cops sound convinced the package isn't dangerous ... despite the fact it had an electronic plaque and wires.

Officials say the sender has been identified as a person in Pennsylvania.. The sender apologized for the suspicious packaging, but insisted it was NOT a bomb.