共找到 120 条与 低压配电用器具 相关的标准,共 8 页
本标准规定了低压交流降压及三相平衡系统节电装置(以下简称装置)的术语和定义、分类、电气、机械性能要求和试验方法、检验规则、标志、包装、运输和贮存。 本标准适用于额定工作电压为交流1000V及以下、频率为50Hz/60Hz、额定容量为3000kVA及以下的交流降压及三相平衡系统节电装置。
System power saver for low voltage AC
Comment responses and substantive change for the proposed Eleventh Edition of the Standard for Switchboards, UL 891. This is a proposed tri-national harmonized standard.
UL Standard for Safety Switchboards
This standard describes installation and maintenance procedures for switchboards.
Standard for Installing and Maintaining Switchboards
Covers nonmetallic outlet boxes; flush-device, floor, and concrete boxes; conduit bodies; extension rings; covers; floor nozzles; and flush-device cover plates to be employed in accordance with the National Electrical Code, ANSI/NFPA 70.
UL Standard for Safety Nonmetallic Outlet Boxes, Flush-Device Boxes, and Covers ALL COMMENTS DUE: January 21, 2008
この規格は,照明器具及び/又は小形電気機械器具へ電気を供給する,交流電圧300V以下,定格電流30A以下のクラスⅠライティンググクト,クラスⅢライティングダクト及び共用電源ライテイングダクト並びにそれらの附属品について規定する。
Lighting busways
Connecting devices for low voltage circuits for household and similar purposes - Part 2-4: Particular requirements for twist-on connecting devices (IEC 60998-2-4:2004, modified); German version EN 60998-2-4:2005
Covers the requirements for outdoor ground-mounted service distribution boxes (SDBs) for the supply, through underground cables, of single-phase and three-phase low-voltage a.c. service connections.
Service distribution boxes - Meter kiosks and distribution kiosks Part 1: Low-voltage non-steel meter kiosks for use in underground networks
This Standard applies to cables, without metal sheath or armour, intended for use in industrial establishments when installed in cable trays in accordance with the Rules of the Canadian Electrical Code, Part I.
Switchboards First Edition
1.1.1 This Standard applies to switchboards nominally rated at 600 V or less and intended for use in accordance with the Canadian Electrical Code, Part 1 (CE Code, Part 1), the National Electrical Code (NEC), ANSI/NFPA 70, and the Mexican Standard for Electrical Installations (Utility), NOM-001-SEDE. 1.1.2 In this standard the term switchboard is intended to refer to a dead-front switchboard. 1.1.3 These requirements do not cover the following switchboard types: preset and dimmer control (theater), live front, railway control or electrification; or constructions intended only for receiving motor control center units. 1.1.4 These requirements cover switchboards for use on circuits having available rms symmetrical short-circuit currents of not more than 200000 A.
Switchboards
Connecting devices for low-voltage circuits for household and similar purposes - Part 2-2: Particular requirements for connecting devices as separate entities with screwless-type clamping units (IEC 60998-2-2:2002, modified); German version EN 60998-2-2:2
Connecting devices for low-voltage circuits for household and similar purposes - Part 1: General requirements (IEC 60998-1:2002, modified); German version EN 60998-1:2004
Connecting devices for low-voltage circuits for household and similar purposes - Part 2-3: Particular requirements for connecting devices as separate entities with insulation-piercing clamping units (IEC 60998-2-3:2002, modified); German version EN 60998-
Connecting devices for low-voltage circuits for household and similar purposes - Part 2-1: Particular requirements for connecting devices as separate entities with screw-type clamping units (IEC 60998-2-1:2002, modified); German version EN 60998-2-1:2004
Applies to boxes and enclosures with provision for suspension means for electrical accessories with a rated voltage not exceeding 1 000 V a.c. and 1 500 V d.c. intended for household or similar fixed electrical installations, either indoors or outdoors.
Boxes and enclosures for electrical accessories for household and similar fixed electrical installations Part 21: Particular requirements for boxes and enclosures with provision for suspension means
Comment responses and substantive change for the proposed Eleventh Edition of the Standard for Switchboards, UL 891. This is a proposed tri-national harmonized standard.
Dead-Front Switchboards
Covers electrical fittings and boxes for use in hazardous locations, Class I, Division 1, Groups A, B, C, and D; and Class II, Division 1, Groups E, F, and G, in accordance with ANSI/NFPA 70-1984, National Electrical Code. The requirements cover capped elbows, boxes, conduit fittings for draining or venting, conduit fittings for sealing, conduit unions, cord connectors, flexible-connection fittings, mineral insulated cable fittings, and fixture fittings of the adjustable, flexible, and rigid types.
Outlet Boxes and Fittings for Use in Hazardous
Specifies requirements for wall outlet boxes, including requirements for mounting centres of flush and semi-flush mounting outlet boxes.
Wall outlet boxes for the enclosure of electrical accessories
Covers the requirements for outdoor ground-mounted service distribution boxs for the supply, through underground cables, of single-phase and three phase low-voltage a.c. service connections. Sets out requirements for low-voltage (LV) distribution kiosks
Service distribution boxes - Meter kiosks and distribution kiosks Part 2: Specification for ground-mounted, low-voltage distribution kiosks
Covers the requirements for outdoor, pole-mounted service distribution boxes (SDBs) for the supply, through overhead cable, of single-phase electricity to domestic customers. The SDBs are intended for use in the range of climatic conditions prevailing th
Service distribution boxes - Pole-mounted types for overhead single-phase a.c. service connections at 230 V
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