hädavalgustuse osa, mis annab valgust inimestele, kellel on lubatud elektritoitepinge katkestuse ajal ajutiselt ruumis viibida, ja teostatavatele töödele on tehtud riskihindamine, kui see on lubatud tegevuste riskihinnangus, part of emergency lighting that provides illumination for people allowed to remain temporarily in a premise during a mains supply failure if it is risk assessed for the activities that are allowed to be performed