systems over 600 volts

... of electrical systems, phone system, and CATV systems can lead to hazardous situations causing electrical shocks and fire Not just anybody can install or inspect safe electrical systems Trained ... house wiring Coverage of the NEC has been expanded to well over 1000 Code references This text focuses on the technical skills required to perform electrical installations It covers such topics ... REVISIONS Existing Service Size: Amps 000000 Volts0 00000 No of Circuits000000 No Added 000000 New Service Size: Amps 000000 Volts0 00000 No of Circuits000000 Type: Overhead 000000000 Underground000000000...

Ngày tải lên: 15/02/2016, 16:52

... findings, and discusses the implications of these findings for the design of meeting retrieval systems Section concludes the paper and outlines some directions for future work Argumentative Information ... on the relative proportions of queries for the classification proposed, but simply suggests that overall more queries belong to the second category, while queries requiring understanding of the ... discussed, announcements made, and background of participants The study also showed that the recovery of information from meeting recordings is significantly faster when discourse annotations...

Ngày tải lên: 23/03/2014, 18:20

... diving area for competitive diving are covered in the UK by the requirements of the ASA For international events these matters are covered by the world governing body, the Federation Internationale ... to contest 1.4 Covered pools for private houses, hotels, clubs and schools There are obviously many advantages in having a covered swimming pool instead of an open-air one A covered pool can ... person’s height The steeper the gradient, the sooner a person will reach the point of over- balance As the point of over- balance varies with the height of the person, it is suggested that the maximum...

Ngày tải lên: 23/03/2014, 20:36

... (UPC), Spain Section II: Challenges Chapter IX Composing Systems of Systems: Requirements for the Integration of Autonomous Computer Systems 139 Panayiotis Periorellis, University of ... build genuine sociotechnical systems In Chapter IX Periorellis explains the problems and opportunities related to the composition of existing systems in order to build new systems, even transcending ... subsystems themselves but not necessarily provide a direct benefit to the end user • Interface requirements that arise when the subsystems need to communicate with one another to accomplish an overall...

Ngày tải lên: 06/07/2014, 15:27

... signs such as Sogo, Yaohan (Japan), Markro (Holland) are appearing all over Jakarta as local entrepreneurs get together with overseas interests in joint ventures August 1996, the world’s largest ... frequency % % cum • • • • • 78 36 56 less than 200 000 dong 200 000 - 400 000 400 000 - 600 000 more than 600 000 it depends 44.6 20.6 1.1 1.7 32.0 44.6 65.1 66.3 68.0 100.0 There are also many ... place This reason is so popular and helpful, since highly overpricing is a normal practice in markets that a careless shoppers could be easily overcharged Anyway, half of the customers entered supermarkets...

Ngày tải lên: 13/04/2013, 10:30

... CONTENTS PART 5—STRUCTURAL SYSTEMS OR ELEMENTS CHAPTER 13—TWO-WAY SLAB SYSTEMS 318-209 13.0—Notation 13.1—Scope 13.2—Definitions 13.3—Slab reinforcement 13.4—Openings in slab systems 13.5—Design ... being specifically covered in a code Hence, good systems or components might be excluded from use by implication if means were not available to obtain acceptance For special systems considered ... testing of materials used in construction are covered by reference to the appropriate ASTM standard specifications Welding of reinforcement is covered by reference to the appropriate ANSI/AWS...

Ngày tải lên: 03/08/2013, 11:24

... discover "Y" and vice versa • A bus driver creates an abstraction (in the form of a data structure) for each function it discovers The driver that the bus driver loads to control the discovered ... driver discovers all functions using the same method Specifically, and most importantly, the bus driver requires no knowledge of what functions are already on the bus, or their state, to discover another ... In this model, the bus driver discovers hardware functions first, then loads drivers only as they are needed The bus driver can even prompt the user when it discovers a device and finds no driver...

Ngày tải lên: 07/10/2013, 00:20

... medical school and more on where they lead Personal health requirements and disability A doctor’s overriding responsibility is the safety and well-being of patients As such all applicants to medical ... of selection, like the Olympic qualifying standard is to selection for the national team, it is overwhelmingly the strongest element in selection Unlike all the other desirable attributes of personality, ... for an arts subject for entry to medicine Several universities express a preference for biology over physics or mathematics Chemistry and biology are the foundations of medical science, especially...

Ngày tải lên: 01/11/2013, 09:20

... nontechnical users Þnd them unintelligible Moreover, these languages tend to be better at expressing certain types of requirements and addressing certain types of systems Thus, they may inßuence the requirements ... Introduction 1.1 Purpose 1.2 Scope 1.3 Definitions, acronyms, and abbreviations 1.4 References 1.5 Overview Overall description 2.1 Product perspective 2.2 Product functions 2.3 User characteristics ... should provide an overview of the entire SRS It should contain the following subsections: a) b) c) d) e) Purpose; Scope; DeÞnitions, acronyms, and abbreviations; References; Overview 5.1.1 Purpose...

Ngày tải lên: 21/11/2013, 23:46

... Commercial Building Grounding and Bonding Requirements for Telecommunications Table of Contents OVERVIEW COMPONENTS OF THE TELECOMMUNICATIONS GROUNDING AND BONDING INFRASTRUCTURE Identification ... ANSI/TIA/EIA 607 Commercial Building Grounding and Bonding Requirements for Telecommunications OVERVIEW OF THE TELECOMMUNICATIONS GROUNDING AND BONDING INFRASTRUCTURE The electrical service entrance ... interconnects all TGBs with the TMGB reduces or equalizes potential differences between telecommunications systems bonded to it A TBB is not intended to serve as the only conductor providing a ground fault...

Ngày tải lên: 10/12/2013, 02:15

... able to work with other systems? Where does the data come from? How many different systems store the data? What current systems supply the application with data? What other systems you have to supply ... sources from which to obtain relevant and supporting information Sources can include people, systems, and systems- support documents " Looking at source information from different perspectives to ... maintain, and repair? Are data systems currently in place, and how are they supported? How often are the system or data structures modified? How often should the systems be backed up? " Extensibility...

Ngày tải lên: 10/12/2013, 17:15

Ngày tải lên: 25/12/2013, 10:47

... rated power dissipation and rated power acceptance respectively are particular to fuse- systems Values for fuse -systems given in I E C Publication 269-2-1 are specified in the data sheets of that ... prộsente publication - Terminology The attention of readers is drawn to the inside of the back cover, which lists I E C publications issued by the Technical Committee which has prepared the present ... capacities (see I E C Publication 269-1, Sub-clause5.7.2) 7.2 Insulating properties This requirement is covered by Sub-clause 7.2 of I E C Publication 269-1 The values are at present under consideration...

Ngày tải lên: 25/12/2013, 10:53

... de 6000 0 Ainsi, la CEI 34-1 devient la CEI 6003 4-1 As from January 1997 all IEC publications are issued with a designation in the 6000 0 series For example, IEC 34-1 is now referred to as IEC 6003 4-1 ... interested in the subject dealt with may participate in this preparatory work International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation ... Type A Type B Section III: Fuse-links with cylindrical contact caps Type A This standard covers dimensional systems but does not standardize characteristics Fuse-links for the protection of semiconductor...

Ngày tải lên: 25/12/2013, 10:54

... 5.6.4 Overload curves 5.6.4.1 Verified overload capability The manufacturer shall indicate sets of Co-ordinatepoints along the time-current characteristics (see Sub-clause 5.6.1) for which the overload ... and user 5.6.4.2 Conventional overload curve The conventional overload curve is formed of straight-line sections emanating from the coordinate points of verified overload capability From each ... conventional overload curve (see Figure 1, page 39) Note - For practical applications, a few points of verified overload capability are sufficient As the number of points of verified overload capability...

Ngày tải lên: 25/12/2013, 10:55

... Figure Al Additional requirements are given for Tï and IT systems in Sub-clauses 707.471.4 and 707.471.5 respectively Notes I - On TN-C systems where the neutral and protective conductors are ... 707.471.5 Additional requirements for I T systems 707.471.5.1 It is preferred that equipment with high-leakage current is not connected directly to IT systems because of the difficulty of satisfying ... Data processing equipment Electrically operated machine units that, separately or assembled in systems, accumulate, process and store data Acceptance and divulgence of data may or may not be...

Ngày tải lên: 25/12/2013, 11:05

... busbar trunking systems which are designed to incorporate communication and/or control systems or intended to supply luminaires through tap-off units but does not apply to supply track systems in ... 6005 0: Vocabulaire Electrotechnique International (VEI) Pour les symboles graphiques, les symboles littéraux et les signes d'usage général approuvés par la CEI, le lecteur consultera la CE1 6002 7: ... IEC 6005 0: International Electrotechnical Vocabulary (IEV) For graphical symbols, and letter symbols and signs approved by the IEC for general use, readers are referred to publications IEC 6002 7:...

Ngày tải lên: 25/12/2013, 11:05

... de 6000 0 Ainsi, la CE1 34-1 devient la CE1 6003 4-1 As from January 1997 all IEC publications are issued with a designation in the 6000 0 series For example, IEC 34-1 is now referred to as IEC 6003 4-1 ... interested in the subject dealt with may participate in this preparatory work International, governmental and non-governmental organizations liaising with the IEC also participate in this preparation ... assembly Nameplates Add as second sentence: The nameplates may be mounted behind a door or removable cover Replace "Information specified under items a), b), c), d), e), I) and r)" by "information specified...

Ngày tải lên: 25/12/2013, 11:06

... prộsente norme: Publications nos 6003 8 (1983): Tensions normales de la CEI 6006 8-2-27 987): Essais d'environnement, Deuxiốme partie: Essais - Essai Ea et guide: Chocs (1 6006 8-2-42 (1982): Essais d'environnement, ... in this standard: Publications Nos 6003 8 (1983): IEC standard voltages 6006 8-2-27 (1987): Environmental testing, Part 2: Tests -Test Ea and guidance: Shock 6006 8-2-42 (1982): Environmental testing, ... metering; - the overload and short-circuit current interruption and protection systems for the outgoing cable The above-mentioned compartment shall have its own means of access (cover plate, shutter,...

Ngày tải lên: 25/12/2013, 11:07