Often, an electrician will charge a minimum trip fee for a job, plus additional labor and parts. Since you may be paying a minimum fee just for the visit, it's better to get a quote for everything you want at one time instead of piecemeal one-off bids.
If he obtains information that the fire was intentionally set, that is, arson, or that the cause of the fire is undetermined, but suspicious, then the fire investigation will commence. An insurance company will not rely solely on the findings of the local fire investigators, even if the state fire marshal is involved. A private fire investigator will almost always be used to determine the cause and origin of a fire. These fire investigators may be ex-firemen, or ex-state fire marshals, or ex-insurance adjusters. In all cases, they are closely tied to the insurance industry. Most of their work comes from insurance companies.
  A backfire is when the ignition of fuel doesn't take place in the ignition/combustion chamber, it(a backfire) can take place in the intake or exhaust. It can be caused b â¦ y a fuel to air ratio not being correct, also if the timing of the spark is not just right that could cause it to back fire. A large backfire is most likely caused by a bad spark plug or plug wire. Unburned air and fuel pumped into the exhaust will often be ignited by the other cylinders still â¦ burning exhaust gases.