Electrical Engineering · Earthing and Installation
मानक विद्युत अभ्यास के अनुसार, प्लेट अर्थिंग के लिए उपयोग की जाने वाली तांबे की प्लेट के न्यूनतम आयाम क्या होने चाहिए?
- 140 सेमी × 40 सेमी × 3.15 मिमी
- 260 सेमी × 60 सेमी × 6.30 मिमी
- 340 सेमी × 40 सेमी × 4.38 मिमी
- 460 सेमी × 60 सेमी × 3.15 मिमी✓
सही उत्तर देखें
60 सेमी × 60 सेमी × 3.15 मिमी
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