Sessize al
ELETRICITY - O CANAL
Você sabia que uma corrente de apenas 50mA já pode causar sérios danos? No teste mostrado no vídeo temos uma salsicha conectada a um aterramento, simulando o corpo humano em contato com o solo. Notem que o toque da fase gera circulação de corrente e queimaduras graves.Mas se correntes, mesmo de valor baixo, são perigosas, porque existem IDRs de 300mA, corrente 10 vezes maior do que os 30mA que normalmente temos no IDR que mais usamos em instalações elétricas? Os IDRs de 300mA como os modelos da...
Takip et
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3
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