@umakanthazarika9529

Please upload with safety frequency regarding the ELECTRICAL HAZARDS AT COMMERCIAL WORK PLACES.

@muhammadkhurshaidkhan9899

Please upload NEBOSH lectures...

@muhammadkhurshaidkhan9899

220V single phase
430V 3-Phaae
50Hz

@shadowdominater3681

220v single phase 430v 3 phase

@ahmedbouroga7304

220V in Algeria

@cpvikranth

230 volts

@BabluKumar-te2pz

220 volts