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Grounding Electrical Distribution Systems

Grounding Electrical Distribution Systems

The first concern and the most important reason for proper grounding techniques are to protect people from the effects of ground-faults and lightning. Creating an effective ground-fault current path to assure the operation of overcurrent protective devices on solidly grounded systems and to limit the voltage-rise on equipment frames during fault condition is of paramount importance. The next concern is building and equipment protection. In this case providing low impedance bonding and grounding paths between the system source the electrical service and downstream equipment will serve to limit hazardous voltages due to faults and especially lightning A low resistance-to-ground system will serve to limit the voltage rise on systems and equipment. But of equal importance is the length of the grounding electrode conductor. It is critical to limit the length of this conductor due to the increased impedance of lightning currents. And finally a properly installed grounding system will minimize the effects of electrical noise on sensitive circuits and stabilize the voltage-to-ground during normal operation. This volume has extensive information on grounding electrical systems and equipment. This information includes the following topics: System Grounding Equipment Grounding Bonding The Grounding Electrode System Solidly Grounded Systems Impedance Grounded Systems Grounding Separately-Derived Systems Calculating Ground-Fault Currents Conductor Insulation Withstand Ratings Conductor Fusing or Melting Currents Functional Grounding Lightning Protection Readership: Anyone involved with designing a proper grounding system that will serve to protect people and equipment from the effects of ground faults and lightning. And to design a proper grounding system for special applications including Solar and Wind Powered Systems. | Grounding Electrical Distribution Systems

GBP 94.99
1

StarTech.com Anti Static Mat ESD Mat

StarTech.com Anti Static Mat ESD Mat

The desktop anti-static mat helps you protect your valuable equipment from the dangers of static electricity which can permanently damage components and render them unusable. This mat covers an area of 23.5 x 47.2 in (60 x 120 cm), ideal for manufacturing or repair facilities where electronic parts are in use. It can also be utilized in data centres, or in other any locations that requires ESD protection.Excellent Construction QualityThe anti-static mat complies with the ANSI / ESD S 4.1 surface resistance standard. The mat is composed of two PVC layers with a total thickness of 0.08 in (2 mm). The bottom black layer is textured for surface adhesion. The mat includes a coiled grounding cable which is long enough (6.6 ft / 2 m) to reach the most common grounding points.Easy to Deploy and StoreThe mat is made with a flexible PVC material that allows it to be easily rolled into a tube and used as a portable work surface or for minimalist storage. A convenient snap-on clip enables the grounding wire to be attached or removed with ease. You can easily clean the mat's with an anti-static mat cleaner to keep the ESD performance and protect the work surface.The LG-ANTI-STATIC-MAT is backed for 2-years by StarTech.com, including free lifetime 24/5 multi-lingual technical assistance.

GBP 41.99
1

StarTech.com Anti Static Mat ESD Mat for Desk Table

StarTech.com Anti Static Mat ESD Mat for Desk Table

The desktop anti-static mat helps you protect your valuable equipment from the dangers of static electricity which can permanently damage components and render them unusable. This mat covers an area of 12 x 18 in (30 x 46 cm), ideal for manufacturing or repair facilities where electronic parts are in use. It can also be utilized in data centres, or in other any locations that requires ESD protection.Excellent Construction QualityThe anti-static mat complies with the ANSI / ESD S 4.1 surface resistance standard. The mat is composed of two PVC layers with a total thickness of 0.08 in (2 mm). The bottom black layer is textured for surface adhesion. The mat includes a coiled grounding cable which is long enough (6.6 ft / 2 m) to reach the most common grounding points.Easy to Deploy and StoreThe mat is made with a flexible PVC material that allows it to be easily rolled into a tube and used as a portable work surface or for minimalist storage. A convenient snap-on clip enables the grounding wire to be attached or removed with ease. You can easily clean the mat's with an anti-static mat cleaner to keep the ESD performance and protect the work surface.The SM-ANTI-STATIC-MAT is backed for 2-years by StarTech.com, including free lifetime 24/5 multi-lingual technical assistance.

GBP 29.99
1

Omron XW5E End Cover for use with XW5G-S10-1.1-1 Grounding Terminal Block, XW5G-S2.5-1.1-1 Grounding Terminal Block,

Omron XW5E End Cover for use with XW5G-S10-1.1-1 Grounding Terminal Block, XW5G-S2.5-1.1-1 Grounding Terminal Block,

Omron XW5E End Cover for use with XW5G-S10-1.1-1 Grounding Terminal Block, XW5G-S2.5-1.1-1 Grounding Terminal Block,, For Use With: XW5G-S10-1.1-1 Grounding Terminal Block, XW5G-S2.5-1.1-1 Grounding Terminal Block, XW5G-S4.0-1.1-1 Grounding Terminal Block, XW5G-S6.0-1.1-1 Grounding Terminal Block, XW5T-S10-1.1-1 Feed Through Terminal Block, XW5T-S2.5-1.1-1 Feed Through Terminal Block, XW5T-S4.0-1.1-1 Feed Through Terminal Block, XW5T-S6.0-1.1-1 Feed Through Terminal Block, MPN: XW5E-S2.5

GBP 0.24
1

Omron XW5Z Label for use with XW5G-S10-1.1-1 Grounding Terminal Block, XW5G-S2.5-1.1-1 Grounding Terminal Block,

Omron XW5Z Label for use with XW5G-S10-1.1-1 Grounding Terminal Block, XW5G-S2.5-1.1-1 Grounding Terminal Block,

Omron XW5Z Label for use with XW5G-S10-1.1-1 Grounding Terminal Block, XW5G-S2.5-1.1-1 Grounding Terminal Block,, For Use With: XW5G-S10-1.1-1 Grounding Terminal Block, XW5G-S2.5-1.1-1 Grounding Terminal Block, XW5G-S4.0-1.1-1 Grounding Terminal Block, XW5G-S4.0-1.1-2 Grounding Terminal Block, XW5G-S4.0-1.2-1 Grounding Terminal Block, XW5G-S4.0-2.2-1 Grounding Terminal Block, XW5G-S6.0-1.1-1 Grounding Terminal Block, XW5T-S10-1.1-1 Feed Through Terminal Block, XW5T-S2.5-1.1-1 Feed Through Terminal Block, XW5T-S2.5-1.1-2 Feed Through Terminal Block, XW5T-S2.5-1.1-2V Feed Through Terminal Block, XW5T-S4.0-1.1-1 Feed Through Terminal Block, XW5T-S4.0-1.1-2 Feed Through Terminal Block, XW5T-S4.0-1.1-2V Feed Through Terminal Block, XW5T-S4.0-1.2-1 Feed Through Terminal Block, XW5T-S4.0-2.2-1 Feed Through Terminal Block, XW5T-S6.0-1.1-1 Feed Through Terminal Block, MPN: XW5Z-S2.5PT

GBP 0.28
1

Omron XW5Z Label for use with XW5G-S4.0-1.1-1 Grounding Terminal Block, XW5G-S4.0-1.1-2 Grounding Terminal Block,

Omron XW5Z Label for use with XW5G-S4.0-1.1-1 Grounding Terminal Block, XW5G-S4.0-1.1-2 Grounding Terminal Block,

Omron XW5Z Label for use with XW5G-S4.0-1.1-1 Grounding Terminal Block, XW5G-S4.0-1.1-2 Grounding Terminal Block,, For Use With: XW5G-S4.0-1.1-1 Grounding Terminal Block, XW5G-S4.0-1.1-2 Grounding Terminal Block, XW5G-S4.0-1.2-1 Grounding Terminal Block, XW5G-S4.0-2.2-1 Grounding Terminal Block, XW5T-S4.0-1.1-1 Feed Through Terminal Block, XW5T-S4.0-1.1-2 Feed Through Terminal Block, XW5T-S4.0-1.1-2V Feed Through Terminal Block, XW5T-S4.0-1.2-1 Feed Through Terminal Block, XW5T-S4.0-2.2-1 Feed Through Terminal Block, XW5T-S4.0-KD Disconnect Terminal Block, MPN: XW5Z-S4.0LB-41-50

GBP 0.20
1

Omron XW5Z Label for use with XW5G-S4.0-1.1-1 Grounding Terminal Block, XW5G-S4.0-1.1-2 Grounding Terminal Block,

Omron XW5Z Label for use with XW5G-S4.0-1.1-1 Grounding Terminal Block, XW5G-S4.0-1.1-2 Grounding Terminal Block,

Omron XW5Z Label for use with XW5G-S4.0-1.1-1 Grounding Terminal Block, XW5G-S4.0-1.1-2 Grounding Terminal Block,, For Use With: XW5G-S4.0-1.1-1 Grounding Terminal Block, XW5G-S4.0-1.1-2 Grounding Terminal Block, XW5G-S4.0-1.2-1 Grounding Terminal Block, XW5G-S4.0-2.2-1 Grounding Terminal Block, XW5T-S4.0-1.1-1 Feed Through Terminal Block, XW5T-S4.0-1.1-2 Feed Through Terminal Block, XW5T-S4.0-1.1-2V Feed Through Terminal Block, XW5T-S4.0-1.2-1 Feed Through Terminal Block, XW5T-S4.0-2.2-1 Feed Through Terminal Block, XW5T-S4.0-KD Disconnect Terminal Block, MPN: XW5Z-S4.0LB-1-10

GBP 0.19
1

Omron XW5Z Label for use with XW5G-S4.0-1.1-1 Grounding Terminal Block, XW5G-S4.0-1.1-2 Grounding Terminal Block,

Omron XW5Z Label for use with XW5G-S4.0-1.1-1 Grounding Terminal Block, XW5G-S4.0-1.1-2 Grounding Terminal Block,

Omron XW5Z Label for use with XW5G-S4.0-1.1-1 Grounding Terminal Block, XW5G-S4.0-1.1-2 Grounding Terminal Block,, For Use With: XW5G-S4.0-1.1-1 Grounding Terminal Block, XW5G-S4.0-1.1-2 Grounding Terminal Block, XW5G-S4.0-1.2-1 Grounding Terminal Block, XW5G-S4.0-2.2-1 Grounding Terminal Block, XW5T-S4.0-1.1-1 Feed Through Terminal Block, XW5T-S4.0-1.1-2 Feed Through Terminal Block, XW5T-S4.0-1.1-2V Feed Through Terminal Block, XW5T-S4.0-1.2-1 Feed Through Terminal Block, XW5T-S4.0-2.2-1 Feed Through Terminal Block, XW5T-S4.0-KD Disconnect Terminal Block, MPN: XW5Z-S4.0LB-1-100

GBP 45.29
1

Omron XW5Z Label for use with XW5G-S4.0-1.1-1 Grounding Terminal Block, XW5G-S4.0-1.1-2 Grounding Terminal Block,

Omron XW5Z Label for use with XW5G-S4.0-1.1-1 Grounding Terminal Block, XW5G-S4.0-1.1-2 Grounding Terminal Block,

Omron XW5Z Label for use with XW5G-S4.0-1.1-1 Grounding Terminal Block, XW5G-S4.0-1.1-2 Grounding Terminal Block,, For Use With: XW5G-S4.0-1.1-1 Grounding Terminal Block, XW5G-S4.0-1.1-2 Grounding Terminal Block, XW5G-S4.0-1.2-1 Grounding Terminal Block, XW5G-S4.0-2.2-1 Grounding Terminal Block, XW5T-S4.0-1.1-1 Feed Through Terminal Block, XW5T-S4.0-1.1-2 Feed Through Terminal Block, XW5T-S4.0-1.1-2V Feed Through Terminal Block, XW5T-S4.0-1.2-1 Feed Through Terminal Block, XW5T-S4.0-2.2-1 Feed Through Terminal Block, XW5T-S4.0-KD Disconnect Terminal Block, MPN: XW5Z-S4.0LB

GBP 0.24
1

Analysis of Grounding and Bonding Systems

Analysis of Grounding and Bonding Systems

Learn the theory behind grounding systems and bonding equipotential connections from a worldwide expert. Through mathematical analysis comprehensive explanations and detailed figures Analysis of Grounding and Bonding Systems explains the theory and the reasons behind basic ground-electrodes (i. e. the sphere the ground rod and the horizontal ground wire) and more complex grounding systems (i. e. ground-grids) buried in uniform and non-uniform soils. Through calculations and explanatory diagrams this comprehensive guide provides code-complying solutions for the safety against electric shock provided by equipotential bonding connections between exposed-conductive-parts such as equipment enclosures and metalwork. Details on the calculation of step and touch voltages in different types of system grounding (i. e. TT TN and IT) are provided also with the aid of solved problems. Readers will learn how to minimize hazardous interactions between grounding systems cathodically protected pipelines and heat networks. The analysis of the effectiveness of bonding systems against electric shock in the case of contact with electric vehicles during charge in the event of ground-faults which is an upcoming issue challenging our safety is included.

GBP 54.99
1