220V插座如何用電表測量 - 插座
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By Joseph
at 2020-09-01T21:53
at 2020-09-01T21:53
Table of Contents
1.問題類型(a.規劃 b.修繕 c.知識 d.技術支援 e.其他) : ()←d
2.問題描述(請詳述問題在哪):
如何測量220v電源
最近剛入手一間房,想說要裝分離式冷氣! 現在都室外機供電
看陽台有一個220V的插座但插座已被拔除(剩下三條電線 紅綠白)
今天拿了電表去量火線+地線 火線+中性線 V數均是0.x 沒什麼反應
但切到NCV檔位測試三條線都會BB叫 (把電箱總開關關掉就沒有逼逼叫)
這樣看起來是有過電的 可是為什麼都測不出V數來呢?
有請大大詳解
--
2.問題描述(請詳述問題在哪):
如何測量220v電源
最近剛入手一間房,想說要裝分離式冷氣! 現在都室外機供電
看陽台有一個220V的插座但插座已被拔除(剩下三條電線 紅綠白)
今天拿了電表去量火線+地線 火線+中性線 V數均是0.x 沒什麼反應
但切到NCV檔位測試三條線都會BB叫 (把電箱總開關關掉就沒有逼逼叫)
這樣看起來是有過電的 可是為什麼都測不出V數來呢?
有請大大詳解
--
Tags:
插座
All Comments
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By Ivy
at 2020-09-03T04:15
at 2020-09-03T04:15
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at 2020-09-04T00:23
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at 2020-09-08T18:17
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at 2020-09-09T18:06
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at 2020-09-13T18:55
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at 2020-09-20T12:26
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at 2020-09-25T10:25
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at 2020-09-25T18:57
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at 2020-09-26T00:53
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at 2020-09-29T09:05
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at 2020-09-29T14:54
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at 2020-10-03T03:33
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