* Net Working Time - This is the UL term for testing time which is spent trying to break into a safe using tools such as diamond grinding wheels, high-speed drills with pressure applying devices, or common hand tools such as hammers, chisels, saws, and carbide-tip drills. Safes that have earned specific UL ratings will carry a UL label which designates the product's security and fire-protection ratings. UL Underwriters' Laboratories (UL) - UL is a non-profit, non-bias agency that tests and rates the safety and performance of consumer products. Protects valuables for up to 2 hours with outside temperature of 1850 degrees, plus survived drop test onto rubble from 30 feet Protects valuables for up to 2 hours with an outside temperature of 1850 degrees.

Protects valuables for up to 1 hour with an outside temperature of 1700 degrees, plus survived drop test from 30 feet. Protects valuables for up to 1 hour with outside temperature of 1700 degrees. Protects valuables for up to 30 minutes with outside temperature of 1550 degrees. * FR - Fire resistant unrated insulated safe * B6 - Underwriters’ Laboratories TL-30X6 or TRTL-30 label * B5 - Underwriters’ Laboratories TL-30 label

* B4 - Underwriters’ Laboratories TL-15 label * B3 - Non-rated anti-theft (incorporates features of high security safes * B2 - Underwriters’ Laboratories Residential Security Container label * B1 - Theft resistant (minimum security)

Sentry safe open circuit