Farqiga u dhexeeya fasalka I (fasalka 1) luminair, class Ⅱ (class 2) luminair ， class Ⅲ (class 3) luminair are such as:

Baaxadda saddexda nooc ee laambadaha ayaa kala duwan.

Saddexda nooc ee nalalka waxay leeyihiin tallaabooyin ilaalin oo kala duwan oo ka dhan ah shoogga korontada.

(1) Tallaabooyinka ilaalinta iftiinka ee ka hortagga shoogga korontadu waa kuwo dhammaystiran, oo inta badan lagu muujiyey saddex tallaabo: mid waa dahaarka aasaasiga ah; tan kale waa tallaabooyin badbaado oo dheeraad ah; ta saddexaad waa taabashada tabinta tabinta.

(2) Waxaa jira laba tallaabo oo ilaalin oo ka dhan ah shoogga korontada ee nalalka Heerka II: mid waa dahaarka aasaasiga ah; tan kale waa tallaabooyin badbaado oo dheeraad ah.

(3) Tallaabooyinka ka-hortagga shoogga korontada ee saddexda nooc ee nalalka waa: adeegsiga danab badbaado leh oo aad u hooseeya oo aan ka fogayn korontada korontada.