1. Scope
1.1 General
This Standard covers the physical properties and workmanship requirements of sawn wood crossarms for power utility use (3¾ x 4¾ inches) and communication utility use (3¼ x 4¼ inches).
1.2 Reference Publications
This Standard makes reference to the following publications, and where such reference is made it shall be to that edition of such publication as listed…
Replaces IEC 272. Covers the selection and implementation of reliability and maintainability activities, appropriate to each of the defined phases of the life of electrotechnical products. Provides management guidelines for establishing reliability and maintainability programmes applicable in varying degrees to the complete life cycle of electrotechnical products. Serves as a general standard…
Connectors for frequencies below 3 MHz - Part 8: Concentric connectors for audio circuits in radio ...
Describes two jack sockets for 3.50 to 3.60 mm (0.138 to 0.142 in) and 2.44 to 2.49 mm (0.096 to 0.098 in) jack plugs (these are the minimum and maximum dimensions respectively of the two male gauges described in the publication).
Basic environmental testing procedures - Part 2: Tests - Test Ed: Free fall
Determines the effect on a specimen of standard treatments which are representative of the falls likely to occur during rough handling.
Has the status of a basic safety publication in accordance with IEC Guide 104.
Environmental testing. Part 2: Tests. Test Ec: Drop and topple, primarily for equipment-type specime...
Determines the effect on a specimen of simple standard treatments which are representative of the knocks and jolts likely to occur during repair work or rough handling on a table or bench.
Has the status of a basic safety publication in accordance with IEC Guide 104.
Essais d'environnement. Deuxième partie: Essais. Essai Ec: Chute et culbute, essai destiné en p...
A pour but de s'assurer des effets, sur un spécimen, d'essais simples normalisés destinés à représenter les coups et les cahots pouvant arriver au cours des opérations de maintenance, ou de toute manipulation, parfois brutale, effectuée en utilisation, se produisant sur une table ou un établi.
A le statut d'une publication fondamentale de sécurité conformément au Guide 104
Mesure de la résistance des enroulements d'une machine à courant alternatif en fonctionnement s...
Donne des méthodes qui permettent d'effectuer les mesures de résistances des enroulements des machines à courant alternatif sans interrompre l'essai en charge, et donc sans être obligé d'avoir recours à des extrapolations. Cette publication a le statut d'un rapport.
