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What (who) is safety device - definition

A DESIGN FEATURE OR PRACTICE OF A PRODUCT OR SYSTEM THAT REDUCES HARM IN CASE OF SPECIFIC FAILURE

Fail safe; Failsafe; Fail-secure; Safety device; Fail-safe system; Safety Mechanism; Safety mechanism

Safety Device

(a) A device to prevent overheating of any portion of a circuit by excess of current. It generally consists of a slip of fusible metal which if the current attains too much strength melts and opens the circuit. To ensure its breaking a weight is sometimes suspended from the strip. In one form an insulated German silver wire is wrapped around the end of the fusible strip a number of times and its end is connected to it. The other end of the German silver wire connects with the main lead, so that all the current goes through both in series. If the German silver wire becomes heated from excess of current the coil wrapped tightly around the end of the fusible strip melts it and opens the circuit. (b) Lightning arresters, q. v., may be cited under this heading. Synonyms--Automatic Cut Out--Safety Fuse, Plug, or Strip.

Fig. 299. COCKBURN SAFETY FUSE.

failsafe

Automotive safety

STUDY AND PRACTICE TO MINIMIZE THE OCCURRENCE AND CONSEQUENCES OF MOTOR VEHICLE ACCIDENTS

Car Safety; Vehicular Safety Devices; Passive safety; Car safety; Passenger protection; Automobile Safety; Vehicle safety; European Transport Safety Council; ETSC; Auto safety; Passive safety device; Passive restraint; Driver aids; Safety cage; Automotive safety standards; Cat safety; Automobile safety; Impact protection

Automotive safety is the study and practice of design, construction, equipment and regulation to minimize the occurrence and consequences of traffic collisions involving motor vehicles. Road traffic safety more broadly includes roadway design.

https://en.wikipedia.org/wiki/Automotive_safety

Wikipedia

Fail-safe

In engineering, a fail-safe is a design feature or practice that, in the event of a specific type of failure, inherently responds in a way that will cause minimal or no harm to other equipment, to the environment or to people. Unlike inherent safety to a particular hazard, a system being "fail-safe" does not mean that failure is impossible or improbable, but rather that the system's design prevents or mitigates unsafe consequences of the system's failure. That is, if and when a "fail-safe" system fails, it remains at least as safe as it was before the failure. Since many types of failure are possible, failure mode and effects analysis is used to examine failure situations and recommend safety design and procedures.

Some systems can never be made fail-safe, as continuous availability is needed. Redundancy, fault tolerance, or contingency plans are used for these situations (e.g. multiple independently controlled and fuel-fed engines).

https://en.wikipedia.org/wiki/Fail-safe

Examples of use of safety device

1. It also has a built–in safety device to ensure each use only lasts 10 seconds.

2. Of 1,000 students polled by the makers of travel safety device FlareSafe, 48% said they were taking a gap year.

3. Do not use flotation devices, nets, fences or any other safety device as a substitute for caution and supervision.

4. A collision was averted when a cockpit safety device in one of the planes alerted pilots, who began an emergency climb to get out of the way.

5. A collision between the flights at about 25,000 feet was avoided when a cockpit safety device in one of the planes alerted pilots, according to the FAA.