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Specifies the external dimensions for general purpose all-or-nothing electrical relays, and the location of their terminals and fixing in terms of preferred multiples of specified modules.

Spécifie les dimensions extérieures des relais de tout-ou-rien d'usage général ainsi que l'emplacement de leurs bornes et fixations en termes multiples préférentiels du module spécifié.

Deals solely with the condition of steady-state operation of cables at all alternating voltages, and direct voltages up to 5 kV, buried directly in the ground, in ducts, troughs or in steel pipes, as well as cables in air. The term Note: - Appendix A Reference ambient temperatures, and thermal resistivities of soils in various countries. Appendix B Information required…

Assesses the perfomance characteristics of television transposers. Enables the comparison of the results of measurements made by different observers.

Concerns pin and socket r.f. coaxial connectors, with screw coupling mechanism, for low to medium power applications. Three versions of this connector, commonly known as the 'Type N' are included, each version being mateable with each of the others.

Concerne les connecteurs coaxiaux mâles et femelles, avec verrouillage à vis, pour fréquences radioélectriques et applications allant de la basse à la moyenne puissance. Trois versions de ce connecteur, communément connu comme étant du «type N», figurent dans cette norme, chaque version étant accouplable à chacune des autres versions.