【Tópico do dia】【Edição elétrica 20160921】

2016-09-21View Original

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Recompensa por participação: 2 de riqueza. Recompensa por resposta correta: 9 pontos. Para cargas que são muito sensíveis a correntes de falha elevadas (como motores), quais sistemas de aterramento podem ser utilizados? 　　A.IT B.TT C.TN-S D.TN-C Resposta correta: AB

Reply #22016-09-21

AB、、、、、、、、、

Reply #32016-09-21

Para cargas (motores) que são muito sensíveis a grandes correntes de falha, os sistemas de aterramento que podem ser utilizados são (AB). 　　A. IT B. TT C. TN-S D. TN-C

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【Tópico do dia】【Edição elétrica 20160921】

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