protective device


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protective device

[prə′tek·tiv di′vīs]
References in periodicals archive ?
The interim protective device is automatically looped in by simply plugging the test plug into the plug-in test socket.
* Maintain equipment, materials and protective devices in good condition (wood guides)
The majority of coaches (79.3%) reported there was not a policy regarding spinal protective device use in their club (Table 5), nor was the majority (86.2%) aware of a provincial policy regarding its use (Table 6).
Capacitance can also be an issue, because the capacitance of many solid-state protective devices is not only substantial, but varies with varying voltage levels, which can generate all sorts of distortion.
The single-line diagram begins at the point of the utility service connection and shows each piece of equipment and its overcurrent protective devices, cable sizes and numbers per phase, conduit types and sizes, fuses, transformer sizes and impedances, circuit breakers and their trip units and other details.
In order to successfully protect sensitive equipment, the upstream overcurrent protective device needs to be able to operate in a short amount of time, and consistently limit the amount of fault current/energy that passes through to the downstream devices.
Qinetiq is working closely with the Eurofighter Typhoon Integrated Project Team to design a protective device that will ensure the Typhoon fighter aircraft is not damaged by the high Electro-Magnetic Pulse (EMP) that results from the detonation of nuclear device.
Teach the athlete to respect the helmet as a protective device and not to use it as a weapon.
Many companies explicitly require or permit net settlement in their purchase and sales contracts as a matter of course, expecting that these terms would be used infrequently, but serving as a protective device in unusual circumstances.
The protective device in the motor control center did not trip, nor did it trip the upstream feeder circuit beaker that supplied this MCC via an automatic transfer switch (ATS).
North has patents on three inventions: the Lightweight Ballistic Protective Device (a bulletproof vest), the Removable Ballistic Resistant Armor Seat Cover and Floor Mat, and the Ballistic Shield (demonstrated, in the patent application illustration, by a ringer for George Bush).
OSHA studies show that when eye protection is used, most injuries occur because flying objects go around the protective device. Particularly important to foundry employees, Section 1910.133 (a)(1) requires that front and side protective devices be worn if employees face a hazard from flying particles, molten metal, liquid chemicals, acids, or caustic liquids, chemical gases or vapors or potentially injurious light radiation.