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HellermannTyton is a British registered company with affiliated companies in 37 countries manufacturing and supplying products for fastening, fixing, identifying and protecting cables and their connecting components.
Markers are often installed on overhead lines near airfields, or at river crossings where there is a possibility of float-equipped aircraft using the river. Some markers contain conductor marking lights or strobe lights to improve visibility at night or in fog. An overhead line obstruction warning marker near an airstrip.
The international standard IEC 60446 Basic and safety principles for man-machine interface, marking and identification - Identification of equipment terminals, conductor terminations and conductors was a standard published by the International Electrotechnical Commission (IEC) that defined basic safety principles for identifying electrical conductors by colours or numerals, for example in ...
An aviation obstruction marker on a high-voltage overhead transmission line reminds pilots of the presence of an overhead line. Some markers are lit at night or have strobe lights. General aviation, hang gliding, paragliding, skydiving, balloon, and kite flying must avoid accidental contact with power lines.
TVM Block Marker. This sign marks the end of each block section on high-speed lines signalled with TVM cab signalling. Transmission Voie-Machine (TVM)('Track-to-train transmission') is a form of in-cab signalling originally deployed in France and is mainly used on high-speed railway lines. TVM-300 was the first version, followed by TVM-430.
A cable locator or cable avoidance tool (CAT) is an instrument used for detecting the presence and approximate location of buried services in advance of undertaking excavation works. It aims to avoid accidents while excavating. [ 1 ]
The terminator is usually placed at the end of a transmission line or daisy chain bus (such as in SCSI), and is designed to match the AC impedance of the cable and hence minimize signal reflections, and power losses. Less commonly, a terminator is also placed at the driving end of the wire or cable, if not already part of the signal-generating ...
WACS – (West Africa Cable System) (South Africa, Namibia, Angola, the Democratic Republic of the Congo, the Republic of Congo, Cameroon, Nigeria, Togo, Ghana, Côte d'Ivoire, Cape Verde, Canary Islands, Portugal, United Kingdom)
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