What Do the Brushes of a Motor Do?

Answer If you have seen sparks through the motor cooling vents on a power drill, you have seen electric motor brushes at work. The arcing occurs because electricity is being conducted from the nonrotating... Read More »

Top Q&A For: What Do the Brushes of a Motor Do

What Are Electric Motor Brushes?

A basic electric motor has the following parts: a field magnet (which creates a steady magnetic field), an axle holding a metal armature, wire coils, a commutator (a special electrical switch) and ... Read More »

How to Replace DC Motor Brushes?

Motor brushes are an essential component part of any motor, whether it operates using direct current (DC) or alternating current (AC). Two brushes are fixed diagonally opposite each other and touch... Read More »

How to Replace Brushes on a Four Brush Starter Motor?

Brushes in a four brush starter motor are used to brush away harmful materials that can get into the motor and make it stop working. Due to how hard they work, the brushes eventually wear out and s... Read More »

What is more powerful for a vacuum cleaner motor a 12 amp motor or a 110 watt motor?

A 110 watt motor is equal to a 1 amp motor... Versus a 12 amp motor, the 12 is more powerful. You've probably confused 110 watts with volts, as a 1 amp motor could not be used in a vacuum (it's too... Read More »