Because he was clumsy.
mineature cicuit breaker
that he is brave that he build the bridge
To replace breakers in an electrical box it is extremely important the replace the breaker with the same wattage. Do not replace a 100 breaker with a 20 breaker is can cause damage.
The electrical terminology for this type of breaker is a tandem breaker. It is where two breakers circuits can be in the same one breaker slot in a distribution panel. On this type of breaker there will be two output for a circuit value of what ever the breaker is rated for.
Yes.
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The breaker panel.
The breaker panel.
One and half breaker system is an improvement on the double breaker system to effect saving in the number of circuit breakers. For every 2 circuits, 1 spare breaker is provided: Two feeders are fed from two buses via their associated circuit breakers and these two feeders are coupled by a third circuit breaker which is called tie breaker. During failure of any of the two feeder breakers, the power is fed via the breaker of the second feeder and main breaker (tie breaker).
No tandem breakers are of the same value.
A miniature breaker is just two breaker that fit into one breaker slot. These types of breakers are designed to install the same as a full size breaker. Different types of breakers have different mounting configurations to the panels bus bars so installation instructions are not possible without knowing the make and type.
the problem is between these two breakers or you have a faulty or oversized breaker closest to the spa.