letter B

Binary-Coded Decimal Usually refers to the 8-4-2-1 code where four bits are used to
(BCD) represent decimal digits 0 through 9.

Binary Number A number made up only of 1’s and 0’s that represent powers
of two (2). Digital equipment uses binary numbers to represent
numerical values and the on or off condition of devices.

Bit A 1 or 0 representing one position in a binary number.

Bonding The permanent joining of metal parts to form an electrically conductive path.

Branch Circuit A part of a power distribution system extending beyond the
final overcurrent protection device.