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The color of A, B, C three phase lines of AC three-phase circui
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The color of A, B, C three phase lines of AC three-phase circui
Update Time:
2020/8/15
IEC standards are distinguished by red, white and blue colors;National standards are yellow, green, red to distinguish.
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Retrofitting & upgrading
Spare parts
Training
news
Company news
Industry News
Exhibition activities
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contact us
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