Loud Pad mount Transformer
Worked for utility co for 32 years. Transformers will make a slight Humming noise during "high load" times. Loud humming is not normal. Blowing up is possible but not likey unless hit by lightning. Keep calling and ask for a "trouble-shooter" be sent out. Make sure you can be there when they come. If issue is not resolved call " THE PUBLIC OR UTILITY SERVICE COMMISSION' and file a complaint. Utiliy co's do not like to spend the time & money to do this type of trouble because it does not add to "the bottom line".
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