brok - cabl
- broken circuit
- broken current
- broken loop
- bronze leaf brush
- bronze-and-graphite bushing
- brought-out lead
- brown and sharp gage
- brownout
- brush adjustment
- brush angle
- brush assembly
- brush block
- brush box
- brush clip
- brush contact
- brush contact resistance
- brush coverage ratio
- brush friction
- brush gear
- brush holder
