Conversion Standards

This document lays down IEC requirements for the design qualification of power conversion equipment (PCE) suitable for long-term operation in terrestrial photovoltaic (PV) systems. This document covers electronic power conversion equipment intended for use in terrestrial PV...

1.1 These requirements apply to light-emitting diode (LED) retrofit kits that are intended to retrofit existing light sources or other components in previously installed luminaires that already comply with one of the standards in 3. 1.2 These kits are intended for use with: a) Luminaires where...

4.1 This test method is often used to determine bulk density values that are necessary for use for many methods of selecting proportions for concrete mixtures. 4.2 The bulk density also may be used for determining mass/volume relationships for conversions in purchase agreements. However, the...

1.1 This specification covers bare concentric-lay-stranded conductors made from bare, hard-drawn, round, aluminum-clad steel wires of 20.3?% conductivity for general use of electrical purposes. This specification does not apply to stranded conductors for reinforcement in ACSR conductors. 1.2 The...

1.1 This specification covers tin-coated copper-clad steel wire for electronic application. 1.2 Four classes of tin-coated copper-clad steel wire are covered as follows: 1.2.1 Class T30HS-Nominal 30?% conductivity, hard-drawn, 1.2.2 Class T30A-Nominal 30?% conductivity, annealed, 1.2.3 Class...

1.1 This specification establishes the criteria for acceptance, prior to installation, of drain tile and perforated drain tile to be used for underdrainage, filter fields, leaching fields, and similar subdrainage installations. 1.2 The values stated in inch-pound units are to be regarded as...

1.1 This practice covers specific procedures and test conditions that are applicable for xenon-arc exposure of plastics conducted in accordance with Practices G151 and G155. This practice also covers the preparation of test specimens, the test conditions best suited for plastics, and the evaluation...

1.1 These test methods cover determination of the shock fragility of products. This fragility information may be used in designing shipping containers for transporting the products. It may also be used to improve product ruggedness. Unit or consumer packages, which are transported within an outer...

1.1 This test method covers procedures for the drop testing of loaded boxes, cylindrical containers, and bags and sacks by the free-fall method. 1.2 For containers not exceeding 110 lb (50 kg), this test method fulfills the requirements of ISO Standards?2206:1987 and 2248:1985. These ISO standards...

1.1 This specification covers the requirements for seamless copper tube intended for use in the connection, repairs, or alternations of air conditioning or refrigeration units in the field. Note 1: Fittings used for soldered or brazed connections in air conditioning and refrigeration systems are...

1.1 This specification covers the requirements for Copper Alloy UNS No. C18080 for plate, sheet, strip, and rolled bar. Note 1: Since Copper Alloy UNS No. C18080 is frequently used in a variety of applications where yield strength and stress-corrosion resistance may be critical, it is recommended...

4.1 Linear displacement sensor systems play an important role in orthopedic applications to measure micromotion during simulated use of joint prostheses. 4.2 Linear displacement sensor systems must be calibrated for use in the laboratory to ensure reliable conversions of the system's...

1.1 This specification covers the materials, coating requirements, and inspection of fence accessories for chain-link fence for the following: 1.1.1 Post and line caps, 1.1.2 Rail and brace ends, 1.1.3 Top rail sleeves, 1.1.4 Tie wires, clips, and fasteners, 1.1.5 Tension and brace bands, 1.1.6...

1.1 This specification covers austenitic, austenitic-ferritic, ferritic, and martensitic stainless steel forgings for general use, and for low- or high-temperature service. 1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical...

1.1 These test methods cover fire-test-response. 1.2 These fire-test-response test methods provide information on the temperatures recorded on the electrical system component within a fire-resistive barrier system during the period of exposure. 1.3 This standard is used to measure and describe the...

1.1 This specification covers the minimum requirements for and methods of application of exterior gypsum panel products that are specifically designed for use as a substrate for exterior cladding. 1.1.1 This specification does not cover gypsum panel products that are specifically designed for...

1.1 These test methods2 cover procedures and definitions for the mechanical testing of steels, stainless steels, and related alloys. The various mechanical tests herein described are used to determine properties required in the product specifications. Variations in testing methods are to be...

1.1 This performance specification covers hydraulic cements for both general and special applications. There are no restrictions on the composition of the cement or its constituents (see Note 1). Note 1: There are two related hydraulic cement standards, Specification C150/C150M for portland cement...

1.1 This specification covers the general requirements for faced thermal insulation boards composed of rigid cellular polyisocyanurate surfaced with other materials. The insulation boards are intended for use at temperatures between?-40 and 200°F (-40 and 93°C). This specification does not cover...

1.1 This test method is intended for remotely operated ground robots operating in complex, unstructured, and often hazardous environments. It specifies the apparatuses, procedures, and performance metrics necessary to measure the capability of a robot to dexterously inspect objects of interest in...