What is Mastoiditis? Mastoiditis, the infection of mastoid bone just behind the ear, is often the result of middle ear infections (acute otitis media) spreading to the surrounding bones. Mastoid process is the conical prominence that extends from the temporal bone, just behind where the ear is located.
How much does it cost to replace main breaker load center? Electric panel replacement cost vary from $750 for 100 Amp with 14 - 18 circuit breakers load center and simple work to $1,650 or even more for 200 Amp with up to 42-circuit breakers indoor main load center and complex work including labor cost and materials expenses.
A qualified electrical contractor usually charges between $800 and $1,200 to upgrade an existing panel to 100 amps. This will only occur in older homes, like in Philadelphia for example, because the current minimum requirement is 100 amps. If a new panel is needed, it will cost between $1,500 and $2,500. An upgrade to 200 amps typically costs from $1,300-$3,000, and an upgrade to 400 amps can cost up to $4,000. Many people believe their circuit breaker or electrical panel is faulty because they experience a tripped breaker. Often, this is not the case.