# Question: What Happens If You Reverse The Polarity Of A Capacitor?

## What happens if you use the wrong capacitor?

If the wrong run capacitor is installed, the motor will not have an even magnetic field.

This will cause the rotor to hesitate at those spots that are uneven.

This hesitation will cause the motor to become noisy, increase energy consumption, cause performance to drop, and cause the motor to overheat..

## How do you know which side is positive and which side is negative on a capacitor?

So, how do you tell which sides are positive and negative? Most electrolytic capacitors are clearly marked with a black stripe on the negative side and include arrows or chevrons to deter incorrect connections. Unmarked polarized capacitors have an indented ring around the positive end.

## What happens when you hook up a capacitor backwards?

When hooked up “backwards” (i.e., with reversed polarity), the capacitor’s dielectric may be destroyed, a heavy DC current may then flow through the capacitor, and gases produced by electrolysis and internal heating may cause the capacitor to vent, spewing steam and nasty-smelling electrolyte everywhere.

## What happen if capacitor is reverse polarity in circuit?

If the polarity is reversed while connecting, the dielectric in the form of oxide layer is damaged. A heavy current flows, large amount of heat is generated, and capacitor is damaged. An explosion can result if it not provided with safety against explosion.

## Does the polarity of a capacitor matter?

Electrolytic Capacitors Not all capacitors are polarized, but when they are, it’s very important not to mix their polarity up. Ceramic capacitors — the small (1µF and less), commonly yellow guys — are not polarized. You can stick those in either way.

## How do you determine the polarity of a capacitor?

To determine polarity in CAPACITORS: Electrolytic capacitors are often marked with a stripe. That stripe indicates the NEGATIVE lead. If it’s an axial leaded capacitor (leads come out of opposite ends of the capacitor), the stripe may be accompanied by an arrow that points to the negative lead.