ALOA Safe and Vault Services

Question 1

What is the UL Burglary Rating classification 'TL-15' for a safe?

Accepted Answer

The safe resists tool attack on the door for a net working time of 15 minutes using common mechanical and electrical tools

Answer

The safe can withstand 15 tons of pressure

Answer

The safe is tested against 15 minutes of torch attack

Answer

The safe has a 15-bolt locking mechanism

Question 2

What is a 'combination lock' manipulation in safe servicing?

Accepted Answer

Opening a combination lock by feeling or listening for the dial's internal mechanism to determine the combination without drilling

Answer

Drilling through the dial to destroy the lock

Answer

Using a borescope to read the combination wheel positions

Answer

Applying a punch to drive out the lock spindle

Question 3

Which type of safe lock uses electronic input (keypad) and a motorized bolt to control locking bolts?

Accepted Answer

Electronic safe lock (e.g., LaGard, Sargent & Greenleaf 6120)

Answer

Group 2 combination lock

Answer

Group 1R combination lock

Answer

Lever lock

Question 4

What is the purpose of a 'relocker' in a safe?

Accepted Answer

A secondary locking device that engages when the lock is attacked, making the safe harder to open even if the primary lock is defeated

Answer

A device that re-locks the safe automatically after a set time

Answer

A backup combination mechanism

Answer

A bolt that relocks the door when the handle is released

Question 5

What UL Group rating designates the highest security level for a dial combination lock used on safes?

Accepted Answer

Group 1R (manipulation-resistant)

Answer

Group 2

Answer

Group 1

Answer

Group 3

Question 6

What is a 'borescope' used for in safe opening?

Accepted Answer

A flexible optical instrument inserted through a drilled hole to view the lock mechanism's wheel positions to determine the combination

Answer

A laser tool that cuts through safe walls

Answer

An acoustic device that listens to combination lock feedback

Answer

A drill guide for precise hole placement