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Yellow spray paint indicating below-street gas utility line (New York City, 2007) Telecommunication cable location marking Colored flags for utility locating Permanent water pipeline markers in Switzerland. Utility color codes are used to identify existing underground utilities in construction areas, to protect them from damage during ...
A color code is a system for encoding and representing ... Pipe marking; Queen bee birth year code; Underground utility location; Hospital emergency codes often ...
The arrangement of markings is for the safety colour to be between bands of the basic colour. [2] Firewater service would be: Basic marking of firewater piping in accordance with BS EN ISO 7010. The pipe contents must be identified adjacent to the banding. [2] This can be done by giving either: The full name; Abbreviation; Chemical symbol ...
In certain cases, masking the markers is preferred. Marking material is used to cover the markers or a portion of road surface. The color of the masking material is made to be similar to the color of the road surface. Some markings such removable preformed tapes are applied as a temporary marker removal measure.
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 ...
The neutral wire is identified by gray or white insulated wire, perhaps using stripes or markings. With lamp cord wire the ribbed wire is the neutral, and the smooth wire is the hot. NEC 2008 400.22(f) allows surface marking with ridged, grooves or white stripes on the surface of lamp cord.
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Detectable tape, here used to mark the location of a plastic pipe containing electrical wires. Detectable tape or Underground warning tape is a conductive tape typically applied over buried utilities made of non-conductive materials such as plastic, fiberglass, or cement.
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