a breaker bar is longer then a ratchet so you leverage
Arcing is caused by a poor electrical connection. The breaker is not making good contact with the buss bar. Try replacing the breaker.
The panel and breaker have to be of the same manufacturer. This way the breaker will fit into the panel. If the panel has a push in bus bar, the breaker must also be the type to accept the bus bar. If the bus bars in the panel are of the bolt in type then the breaker also has to be a bolt in breaker.
Ground wire connects to the ground bar, white wire connects to the neutral bar, and black wire connects to the breaker. Be sure and turn off main breaker before installing the wire or the breaker.
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Bonk Breaker has a unique website that gives you detailed information about the energy bar. They break everything down into sections and the calories that the bar includes.
A sliding head breaker bar is a large wrench that is used to break stubborn bolts free. The head slides because of a ratcheting action so that the operator does not have to remove the bar to move it back and forth.
Black. wire goes to breaker, white wire goes to neutral bar, and copper wire goes to ground bar.
The breaker will have a black wire connected to it. Turn off the main breaker and then disconnect that black wire from the breaker. The breaker will snap into the main bar. Remove the breaker and install the new one. Reconnect the black wire to the breaker and then install the cover and turn the main breaker back on.
You will need an 8 foot breaker bar and a chain wrench to break the bolt loose. Secure the wrench with the breaker bar and pull down hard.
If you are connecting 120 volts, you connect the black wire to the breaker, white wire to the neutral bar, and ground wire to the ground bar. If you are connecting 240 volts connect the black & white wires to the breaker, & ground wire to the ground bar.
Pry it with a breaker bar
A breaker bar is used to loosen very tight nuts. Essentially, a breaker bar is just a very long wrench. The extra length allows the user to provide more torque and get the nut moving. After loosening, a more easily wielded wrench may be used.