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.
Upgrading an electrical panel typically costs $800-$1,200 to change an existing panel to 100 amps, or $1,500-$2,000 for a new panel. It can cost $1,300-$3,000 to upgrade to 200 amps and $2,000-$4,000 for 400 amps. Expect to pay $500-$1,000 for installing a new sub-panel. Average total costs for rewiring a house start at $3,500-$8,000 for a moderate-sized home with easy access to the crawlspace and attic, but it can cost $8,500-$30,000 or more for rewiring a large house and/or one with difficult access.