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A stationary battery can be operated in two basic modes: 1. standby (or float) and 2. cycling. Many standards developed for standby stationary applications do not apply to cycling stationary applications, and vice versa. The purpose of this guide is to differentiate between these two applications and increase awareness of why and how their different operation and maintenance practices should be managed. The guide is primarily informational and is not intended to provide specific recommendations for battery management in cycling applications. Keywords: battery cycling, battery maintenance, battery operation, standby battery, stationary battery.

Standards, Engineering. --- Building --- Building standards --- Engineering standards --- Technical literature --- Standards

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Electrical, dimensional, and mechanical characteristics are covered, taking into consideration certain safety features, for current and inductively coupled voltage transformers of types generally used in the measurement of electricity and the control of equipment associated with the generation, transmission, and distribution of alternating current. The aim is to provide a basis for performance and interchangeability of equipment covered and to assist in the proper selection of such equipment. Safety precautions are also addressed. Accuracy classes for metering service are provided. The test code covers measurement and calculation of ratio and phase angle, demagnetization, impedance and excitation measurements, polarity determination, resistance measurements, short-time characteristics, temperature rise tests, dielectric tests, and measurement of open-circuit voltage of current transformers.

Standards, Engineering.

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Medicaid --- Standards.

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A procedure for testing and evaluating the performance of metal-enclosed switchgear for internal arcing faults is covered. A method of identifying the capabilities of this equipment is given. Service conditions, installation, and application of equipment are also discussed.

Electric switchgear --- Standards, Engineering. --- Testing --- Standards.

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Every year, thousands of deaths due to diarrhea, cholera, typhoid and other gastrointestinal diseases have been attributed to poor water, sanitation and hygiene not just in this region but globally. Diarrheal diseases could be avoided if water suppliers would ensure the safety of drinking water from source to consumer. Guided by the national drinking water regulations, the health-based targets of maximum allowable concentration for microbiological, chemical, physical and radiological parameters in drinking water could be achieved through the application of the multiple barrier approach to risk

Drinking water. --- Drinking water --- Standards. --- Standards