If a 14-2 cable is run from the panel to the outlet, then a 15 amp circuit breaker is the largest that can be used to protect that circuit. If a 12-2 cable is run from the panel to the outlet, then a 20 amp circuit breaker is the largest that can be installed to protect the circuit. Support cable.
Types Of Keyboard. There are two major types of computer keyboards: Basic and Extended. The Basic keyboard contains 104 keys and is enough to perform all the functions that can be done on a Windows PC. The Extended keyboard may have additional keys and the design varies among the companies manufacturing them.
Keyboard and pedals. Almost every modern piano has 88 keys (seven octaves and a bit, from A0 to C7). Many older pianos only have 85 (from A0 to A6), while some manufacturers extend the range further in one or both directions.