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North American codes and standards: a global challenge

机译：北美法规和标准：全球性挑战

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In the rush toward the global harmonization of codes and standards, it is worthwhile, or perhaps necessary, to understand the cornerstones of safety in the present system. Examining the "life" of an electrical installation, one realizes that a typical installation lasts well over 25 years in many cases. It is interconnected with other similar systems through its life. Upgrades and expansions must be compatible over its life. The system need not be changed rapidly, but it must retain safety. This article examines some of the elements of the system, recognizes that they are already regionally in place across North America, and suggests that regional harmonization be strengthened on the way toward examining the feasibility of worldwide harmonization. This discussion relates primarily to low-voltage distribution equipment within an electrical installation. Products include busways, circuit breakers, fuses and switches, industrial control equipment, panelboards, and switchboards. The discussion is not limited to this equipment since wiring devices, utilization equipment, wiring and wiring methods, and other devices are essential to the system.
机译：在急于在全球范围内统一代码和标准时，有必要或可能有必要了解当前系统中的安全基石。通过检查电气设备的“寿命”，人们意识到典型的设备在很多情况下可以持续使用25年以上。它在整个生命周期中都与其他类似系统互连。升级和扩展在其生命周期内必须兼容。该系统无需快速更换，但必须保持安全性。本文研究了该系统的某些要素，认识到它们已经在整个北美区域性地存在，并建议在检查世界范围内的协调性可行性的道路上加强区域性协调。该讨论主要涉及电气设备内的低压配电设备。产品包括母线槽，断路器，保险丝和开关，工业控制设备，配电盘和配电盘。讨论不限于该设备，因为布线设备，使用设备，布线和布线方法以及其他设备是系统必不可少的。

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