ហេតុ​អ្វីក្នុង​ផ្ទះ​​ត្រូវ​ប្រើ​ឌីសង់ទ័រ​ឆក់​ឡូត​និង​ឌីសង់ទ័រ​ធម្មតា​ទាំង2? ? MCB & RCD

#តភ្លេីងក្នុង​ផ្ទះ​ ហេតុ​អ្វីក្នុង​ផ្ទះ​​ត្រូវ​ប្រើ​ឌីសង់ទ័រ​ឆក់​ឡូត​និង​ឌីសង់ទ័រ​ធម្មតា​ទាំង2? ? MCB &RCD Electric Short circuit Welcome to BR electricity kh channel! This channel’s purpose is to share all knowledge or information regarding to electricity such as: supplying power indoor/electricity into household motor control system repair motor and others electricity equipment introduce to customer to know electricity equipments and knowledge regarding to electric. Please support, share, subscribe and like to getting new videos from our channel. Thank you.