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2. NEMA enclosure types - Wikipedia

   en.wikipedia.org/wiki/NEMA_enclosure_types

   Below is a list of NEMA enclosure types; these types are further defined in NEMA 250- Enclosures for Electrical Equipment. Each type specifies characteristics of an enclosure, but not, for example, a specific enclosure size. Note that higher numbers do not include the lower-numbered tests. For example, types 3, 4 and 6 are intended for outdoor ...

3. NEMA connector - Wikipedia

   en.wikipedia.org/wiki/NEMA_connector

   NEMA 1-15P (two-pole, no ground) and NEMA 5-15P (two-pole with ground pin) plugs are used on common domestic electrical equipment, and NEMA 5-15R is the standard 15-ampere electric receptacle (outlet) found in the United States, and under relevant national standards, in Canada (CSA C22.2 No. 42 [1]), Mexico (NMX-J-163-ANCE) and Japan (JIS C 8303).

4. NEMA size - Wikipedia

   en.wikipedia.org/wiki/NEMA_size

   Download as PDF; Printable version ... move to sidebar hide. NEMA (National Electrical ... These sizes are grouped by rated current and power. [1] [2] NEMA size Max ...

5. 19-inch rack - Wikipedia

   en.wikipedia.org/wiki/19-inch_rack

   There is little evidence that the dimensions of these early racks were standardized. Telephone equipment racks (1923) The 19-inch rack format with rack-units of 1.75 inches (44.45 mm) was established as a standard by AT&T around 1922 in order to reduce the space required for repeater and termination equipment in a telephone company central office .

6. Industrial and multiphase power plugs and sockets - Wikipedia

   en.wikipedia.org/wiki/Industrial_and_multiphase...

   Industrial devices may also be constructed to be dust or water-tight. NEMA wiring devices are made in current ratings from 15–60 A, and voltage ratings from 125–600 V. There are two basic configurations of NEMA plug and socket: straight-blade and locking. Numbers prefixed by L are twist-lock, others are straight blade. Locking type ...

7. Category:NEMA standards - Wikipedia

   en.wikipedia.org/wiki/Category:NEMA_standards

   Download as PDF; Printable version; ... Pages in category "NEMA standards" ... NEMA enclosure types; NEMA size This page was ...

8. Eurocard (printed circuit board) - Wikipedia

   en.wikipedia.org/wiki/Eurocard_(printed_circuit...

   Enclosure heights are multiples of 3U, with the cards always 33.35 mm (1.313 in) shorter than the enclosure. Two common heights are 3U (a 100 mm card in a 5.25 in (133.35 mm) subrack) and 6U (a 233.35 mm card in a 10.5 in (266.70 mm) high subrack).

9. Electrical enclosure - Wikipedia

   en.wikipedia.org/wiki/Electrical_enclosure

   An electrical enclosure is a cabinet for electrical or electronic equipment to mount switches, knobs and displays and to prevent electrical shock to equipment users and protect the contents from the environment. The enclosure is the only part of the equipment which is seen by users.