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Foreword This Standards Publication was prepared by a technical committee of the NEMA Industrial Automation Control Products and Systems Section. It was approved in accordance with the bylaws of NEMA and supersedes the indicated NEMA Standards Publication. This Standards...
This standards publication covers heavy duty enclosed and dead-front switches that are: a. Rated at not more than 600 volts and 4000 amperes with or without a horsepower rating. The dc ratings shall be up to and including 600 volts, 1200 amperes. b. With or without provision for fuses c....
NOTICE AND DISCLAIMER The information in this publication was considered technically sound by the consensus of persons engaged in the development and approval of the document at the time it was developed. Consensus does not necessarily mean that there is unanimous agreement among every person...
1.1 This practice establishes procedures for the submerging of a membrane switch to verify resistance to ingress of a specified liquid. 1.2 This practice can also be used to verify the ability of a membrane switch or graphics layer to act as a liquid seal for a finished product. 1.3...
This specification covers two types of automotive pressure switches (see 6.1). Type I switches operate when fluid pressures drop below predetermined values and type II switches operate when fluid pressures exceed predetermined values.
NEMA Standards Publication KS 3 sets forth, for use by qualified personnel1, a number of basic procedures that may be used for the inspection and preventive maintenance of switches used in industrial and commercial applications rated up to and including 600 V 50/60 Hz ac or ac/dc....
This Standards publication contains color references for AC switches, plugs and cord connectors, receptacles, and other related wiring devices. This Standard does not cover dimensional requirements affecting wiring device interchangeability. These are found in NEMA Standards...
PURPOSE In these technical terms of delivery, the function-, bearing- and fatigue-tests for signal-and wiper-switches are determined. The switches are distinguished into two types separated from each other which are constructed as follows : Type A = Signal switch with...
1.1 This test method establishes procedures for the submerging of a membrane switch to verify resistance to ingress of a specified liquid. 1.2 This test method can also be used to verify the ability of a membrane switch or graphics layer to act as a liquid seal for a finished product....
1.1 This test method establishes procedures for the submerging of a membrane switch to verify resistance to ingress of a specified liquid. 1.2 This test method can also be used to verify the ability of a membrane switch or graphics layer to act as a liquid seal for a finished product....
The Standards in this section apply to electromechanical automatic and nonautomatic transfer switches and bypass isolation switches rated 1000 volts AC or less, 60 Hertz, for use on single-phase and polyphase AC circuits; and 1000 volts DC or less.
PURPOSE Purpose of this specification is to determine the function test and endurance test condition of switches to be installed in the car (pull-, rotary-, tumbler- and rocker type-switches) except the switches concentrated in the signal scanner: to here apply the tech....
This Standard defines the electromagnetic compatibility "EMC" (immunity and Interference) performance levels, testing methods, and performance criteria for lighting products in a frequency range from 0 to 400 GHz. This Standard applies to lighting products intended to be directly connected to the...
This publication covers application information for distribution equipment switches that are: a) Rated at not more than 600V and 6000A with or without a horse-power rating b) With or without provision for fuses c) With current-carrying parts and mechanisms enclosed in metallic or...
1.1 This practice establishes procedures for the hosedown of a membrane switch to verify adequate protection from ingress of water from a high-volume water spray. 1.2 This practice can also be used to verify the ability of a membrane switch or graphics layer to act as a liquid seal...
This document defines the test conditions, procedures, and performance specifications for 6-, 12-, and 24-V manually actuated headlamp switches (circuit breaker(s) may be incorporated for circuit overload protection).
1.1 This practice establishes procedures for the submerging of a membrane switch to verify resistant to ingress of a specified liquid. 1.2 This practice can also be used to verify the ability of a membrane switch or graphics layer to act as a liquid seal for a finished product. 1.3...
QUALIFIED PRODUCT LIST OF PRODUCTS QUALIFIED UNDER PERFORMANCE SPECIFICATION MIL-DTL-12211 Switch, Pressure This list has been prepared for use by or for the Government in the acquisition of products covered by the subject specification and such listing of a product is not intended to and...
This publication covers guidelines for the selection and installation of general-purpose and specialty metallic, nonmetallic, and composite outlet boxes, including device boxes, boxes for luminaires or other products, junction boxes, extension rings, covers, and flush-device cover plates. The boxes...
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