Grounding systems, anti corrosion systems for Marine Electronics

Grounding Systems

Grounding Systems for Marine Electrical Systems and Marine Electronics
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In electricity supply systems, an grounding system defines the electrical potential of the conductors relative to that of the Earth's conductive surface. The choice of earthing system has implications for the safety and electromagnetic compatibility of the power supply. Note that regulations for earthing (grounding) systems vary considerably between different countries.

A protective earth (PE) connection ensures that all exposed conductive surfaces are at the same electrical potential as the surface of the Earth, to avoid the risk of electrical shock if a person touches a device in which an insulation fault has occurred. It ensures that in the case of an insulation fault (a "short circuit"), a very high current flows, which will trigger an overcurrent protection device (fuse, circuit breaker) that disconnects the power supply.

A functional earth connection serves a purpose other than providing protection against electrical shock. In contrast to a protective earth connection, a functional earth connection may carry a current during the normal operation of a device. Functional earth connections may be required by devices such as surge suppression and electromagnetic-compatibility filters, some types of antennas and various measurement instruments. Generally the protective earth is also used as a functional earth, though this requires care in some situations.


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    Manufacturer   Product Name   Buy Now   Price 
NewMar 12C Ground Shoe  Newmar  NewMar 12C Ground Shoe Buy Now   $153.75 
NewMar 18E Ground Shoe  Newmar  NewMar 18E Ground Shoe Buy Now   $390.00 
NewMar 8A Ground Shoe  Newmar  NewMar 8A Ground Shoe Buy Now   $93.50 
NewMar GS-2-100 Copper Strap, 2" Wide, 100' Long  Newmar  NewMar GS-2-100 Copper Strap, 2" Wide, 100' Long Buy Now   $187.75 
NewMar GS-2-25 Copper Strap, 2" Wide, 50' Long  Newmar  NewMar GS-2-25 Copper Strap, 2" Wide, 50' Long Buy Now   $48.75 
NewMar GS-2-50 Copper Strap, 2" Wide, 50' Long  Newmar  NewMar GS-2-50 Copper Strap, 2" Wide, 50' Long Buy Now   $96.75 
NewMar LVD-48-30 Low Voltage Disconnect, Positive Ground  Newmar  NewMar LVD-48-30 Low Voltage Disconnect, Positive Ground Buy Now   $207.25 
NewMar SCREEN-25 Copper Mesh, 4' Wide, 100' Long  Newmar  NewMar SCREEN-25 Copper Mesh, 4' Wide, 100' Long Buy Now   $392.50 
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