Quote:
	
	
		| Originally posted by FV623 a "solenoid" is a cylindrical coil of wire acting as a magnet when a current is passed through it.  The term has found worldwide mis-use for a relay or contactor used to switch the high current supply to the engine starter motor.
 
 A solenoid, when having a laminated iron core to intensify and concentrate the magnetic field, is called an armature;
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 Well, it is obvious why a starter solenoid is so called, because there would be utter confusion if it were called an armature, because then you would have two starter armatures on a vehicle.
Richard