1. Nhọrọ nke switchgear: Igwe ọkụ eletrik dị elu (voltage voltaji, nke a na-edepụta ugbu a, nke na-agbaji ugbu a, akara mmechi nke ugbu a, nkwụsi ike nke okpomọkụ ugbu a, nkwụsi ike dị ugbu a, oge mmeghe, oge mmechi) Nsogbu ndị a kapịrị ọnụ nke imebi ikike nke nnukwu voltaji. sekit breaker (t...
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