North Carolina Locksmith Practice Exam

What does the term "Change Key" generally refer to in locksmithing?

1. A key to operate every lock

2. A key used to reset locks

3. A key for a single lock

4. A key that serves multiple purposes

The correct answer is: A key used to reset locks

In locksmithing, the term "Change Key" specifically refers to a key that is utilized to reset locks, often after they have been rekeyed. This process involves altering the internal components of a lock to accept a new key, which effectively changes the lock's configuration while making the previous key inoperative. The significance of a Change Key lies in its function during the rekeying process, allowing for enhanced security by ensuring that former keys can no longer access the lock. This is particularly important in situations where security is a concern, such as when a property changes ownership or when there is a risk of lost keys. While keys that operate every lock or serve multiple purposes might sound appealing, those functions are not what defines a Change Key. Moreover, a key for a single lock is too narrow in scope, as a Change Key can be applied in various contexts where locks need to be reset or altered for security reasons. Thus, understanding the role of a Change Key is crucial for effective locksmithing and ensuring the security of premises.