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  2. American National Standards Institute - Wikipedia

    en.wikipedia.org/wiki/American_National...

    The ANSI/APSP (Association of Pool & Spa Professionals) standards used for pools, spas, hot tubs, barriers, and suction entrapment avoidance. The ANSI/HI (Hydraulic Institute) standards used for pumps. The ANSI for eye protection is Z87.1, which gives a specific impact resistance rating to the eyewear. This standard is commonly used for shop ...

  3. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    Floor Level Floor Level of an existing or proposed building or concrete pad FN or F/N: flag note, flagnote; find number: 1. Flagnote: A flagnote is a note that is called out in specific spots in the field of the drawing. It is numbered with a stylized flag symbol surrounding the number (or sometimes a delta symbol). A general note applies ...

  4. ANSI device numbers - Wikipedia

    en.wikipedia.org/wiki/ANSI_device_numbers

    In electric power systems and industrial automation, ANSI Device Numbers can be used to identify equipment and devices in a system such as relays, circuit breakers, or instruments. The device numbers are enumerated in ANSI / IEEE Standard C37.2 Standard for Electrical Power System Device Function Numbers, Acronyms, and Contact Designations .

  5. IP code - Wikipedia

    en.wikipedia.org/wiki/IP_Code

    IP codes IP65 touchscreen display IP65 LED lamp. The IP code or ingress protection code indicates how well a device is protected against water and dust. It is defined by the International Electrotechnical Commission (IEC) under the international standard IEC 60529 [1] which classifies and provides a guideline to the degree of protection provided by mechanical casings and electrical enclosures ...

  6. High voltage - Wikipedia

    en.wikipedia.org/wiki/High_voltage

    Specifically, ANSI C84.1-2020 defines high voltage as 115 kV to 230 kV, extra-high voltage as 345 kV to 765 kV, and ultra-high voltage as 1,100 kV. [2] British Standard BS 7671 :2008 defines high voltage as any voltage difference between conductors that is higher than 1000 VAC or 1500 V ripple-free DC, or any voltage difference between a ...

  7. ANSI/ISA-95 - Wikipedia

    en.wikipedia.org/wiki/ANSI/ISA-95

    ANSI/ISA-95.00.02-2001, Enterprise-Control System Integration Part 2: Object Model Attributes consists of attributes for every object that is defined in part 1. The objects and attributes of Part 2 can be used for the exchange of information between different systems, but these objects and attributes can also be used as the basis for relational ...

  8. Cut-resistant gloves - Wikipedia

    en.wikipedia.org/wiki/Cut-resistant_gloves

    EN 388 was updated in 2016, and one significant change is the introduction of ISO 13997:1999. EN 388:2016 incorporates a letter A-F to indicate the cut resistance of A<2N, B<5N, C<10N, D<15N, E<22N and F<30N. This is more in line with the new North American standard of ANSI/ISEA 105-2016 that is using a system of A1-A9 cut levels.

  9. International Electrical Testing Association - Wikipedia

    en.wikipedia.org/wiki/International_Electrical...

    NETA certifies three levels of electrical testing technicians: Certified Assistant Technician, Certified Technician, and Certified Senior Technician. Each level has progressively increasing requirements for number of years of training and related experience. An intensive written exam must be passed at each level.

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