Izixhumi eziyindilinga zepulasitiki eziwuchungechunge lwe-P (IP50) zisetshenziswa kakhulu kuma-elekthronikhi wezokwelapha, ukuhlola, imboni, izinto zikagesi zabathengi nezinye izimboni, ikakhulukazi embonini ye-electronics yezokwelapha, lo mkhiqizo ngokuyisisekelo ungashiwo njengomkhiqizo osetshenziswa kabanzi.Imikhiqizo yochungechunge lwe-P inezinzuzo zesisindo esilula, izindleko eziphansi, nokuxhuma okusheshayo nokukhipha i-plug.
Imikhiqizo yochungechunge lwe-P ingalethwa ngokushesha.Ngokuvamile, isikhathi sokuhola singaphansi kwezinsuku ezingu-7, futhi izindleko zayo cishe ingxenye eyodwa kwezintathu yochungechunge lwensimbi, olungasindisa izindleko ezengeziwe kumakhasimende.