Abstract: This paper took the check of rupturing capacity circuit breaker in petrochemical electric power network for example. It introduced the selection rule of largest short-circuit current which ...

Question: Our home is 40 years old. In my bedroom bath we have a four-way lamppost light fixture that holds four 60-watt bulbs. I was blow-drying my hair using a 1,500-watt dryer, and I heard a pop.