This supplement provides graphic symbols for use on all electrical or electronics diagrams except for those required for: (1) Logic circuit diagrams. See ANSI/IEEE Std 91-1984 [4]. (2) Architectural plans. See ANSI Y32.9-1972 [2] and IEC Publication 617 (1983) [22] Part 11, ch IV. (3) Street maps and building system layouts for cable TV application. See ANSI/IEEE Std 623-1976 [8] and IEC Publicatiun 617 (1983) [22], Part 11, ch 111.

定价： 43元 / 折扣价： 37 元

This application guide applies to ac high voltage circuit breakers rated in accordance with the methods given in American National Standard Rating Structure for A C High-Voltage Circuit Breakers, C37.04-1964(R1969) and listed in American National Standard Preferred Ratings and Related Required Capabilities for A C High-Voltage Circuit Breakers, C37.06-1971. Circuit breakers rated and manufactured to meet other standards, or used in switchgear assemblies, should be applied in accordance with… read more application procedures adapted to their specific ratings or applications. read less

定价： 65元 / 折扣价： 56 元

This application guide for capacitance current switching applies to ac high-voltage circuit breakers rated in accordance with American National Standard Requirements for Capacitance Current Switching for A C High-Voltage Circuit Breakers, C37.073-1972. It is intended to supplement the American National Standard Application Guide for AC High-Voltage Circuit Breakers, C37.010-1972 (IEEE Std 320-1972), and specifically, to enlarge on Section 4.14.3, Capacitor Switching, and Section 4.14.4, Line… read more Charging Switching. Circuit breakers rated and manufactured to meet other standards should be applied in accordance with application procedures adapted to their specific ratings. read less

定价： 65元 / 折扣价： 56 元

Specifies the basic principles and techniques which provide the minimum security measures required for effective international PIN management.

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1.1 Scope 1.1.1This standard applies to newly produced, automatic storage water heaters having input ratings of 75,000 Btu per hour (21 980 W) or less (see Part IV, Definitions), hereinafter referred to as water heaters or appliances, constructed enti

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定价： 592元 / 折扣价： 504 元

Addenda 2 to ANSI Z21.15-1997/CGA 9.1-M97, Manually Operated Gas Valves for Appliances, Appliance Connector Valves and Hose End Valves

定价： 683元 / 折扣价： 581 元

Scope Details test and examination criteria for gas appliance pressure regulators for use with natural, manufactured and mixed gases, liquefied petroleum gases and LP gas-air mixtures. Such devices, either individual or in combination with other contr

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定价： 546元 / 折扣价： 465 元

Scope Details test and examination criteria for Type 1 clothes dryers for use with natural, manufactured or mixed gases, liquefied petroleum gases or LP gas-air mixtures.

定价： 774元 / 折扣价： 658 元

Details test and examination criteria for vented gas fireplace for use with natural and propane gases. The only function of a vented gas fireplace lies in the aesthetic effect of the flame; the appliance is not a source of heat.

定价： 956元 / 折扣价： 813 元

1.1 Scope 1.1.1 This standard applies to newly produced gas appliance connectors constructed entirely of new, unused parts and materials that: a. Are intended for use with gas-fired commercial cooking equipment that may be mounted on casters or oth

定价： 728元 / 折扣价： 619 元

Details test and examination criteria for connectors suitable for non-rigid connection of outdoor gas appliances not frequently moved after installation, or manufactured (mobile) homes to gas supply lines containing natural, manufactured, mixed and liquef

定价： 683元 / 折扣价： 581 元

定价： 592元 / 折扣价： 504 元

定价： 546元 / 折扣价： 465 元