Lightning strikes a power pole and blows out a transformer, strong winds snap lines or cause trees to break apart and land on power lines, or bad drivers drive into power poles and knock them down.
Lots of reasons.
2007-06-20 05:34:47
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answer #1
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answered by Brian L 7
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During a violent thunder storm, the combination of lightning, strong gusts of wind is capable of breaking off branches of, or even uprooting trees, falling on to live suspended power lines nearby. Causing disruption of electric power, to many businesses and residents. Power to be restored sometimes takes as long as a day, by utility crews depending on the extent of the damage.
2007-06-20 12:58:13
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answer #2
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answered by slimdude142 5
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Power lines often attract lightning.
When this happens, a large surge of electricity flows in the cable and trips out a breaker in a sub-station or at the power plant.
If it actually damages a transformer or other power unit, then it sometimes takes a good while to restore power.
2007-06-20 12:40:41
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answer #3
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answered by Norrie 7
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Usually in a thunder storm you get the whole works, rain, wind etc. It's often a tree or branch hitting either a power cable, or the generating place, so they have to either knock it off, or it is too damaged,.
2007-06-20 12:34:14
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answer #4
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answered by BrilliantPomegranate 4
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You get a power overload in some cases which burns a transformer or throws it off.
2007-06-20 12:35:21
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answer #5
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answered by fduarte21 2
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Transformers can get hit by lightening, and high winds can screw with connections on power poles.
2007-06-20 12:35:02
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answer #6
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answered by kj 7
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Because the wire current is disrupted by the current in the air.
2007-06-20 12:39:13
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answer #7
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answered by Walking on Sunshine 7
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because if lighting strikes an electrical lines it will burn the wires and cause an outing.
2007-06-20 13:07:56
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answer #8
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answered by wolf 5
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wind blow cables down or damage them,thats why in a way its better to have underground cables
2007-06-20 12:35:45
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answer #9
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answered by girl_wna_kno 2
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usually its becase of line breakage but more commonly its because a transformer box blows
2007-06-20 12:34:41
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answer #10
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answered by Anonymous
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