What Does Temperature Rating On Wire Mean?

What Does Temperature Rating On Wire Mean? The higher the temperature rating, the greater the ampacity What is temperature rating on electrical wire? The wire temperature rating is determined by testing the circuit breaker under full-load current with conductors sized for the appropriate temperature rating—60°C or 75°C. The temperature rise at the circuit breaker terminals

Why Does Mercury’s Temperature Fluctuate So Much?

Why Does Mercury’s Temperature Fluctuate So Much? As noted, Mercury has no atmosphere to speak of, owing to its small size and extremes in temperature. … In any case, Mercury’s lack of a viable atmosphere is the reason why it is unable to retain heat from the Sun, which leads to extreme variations between night