Rechercher

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…

1.1 This standard applies to sensitized aluminum plates and foil on which line or continuous tone images can be reproduced by photographic means either by the user or the supplier, for the preparation of name plates, dials and other markings. 1.2 For detailed information on uses, see par. 8.1.

1. Scope 1.1 This Standard applies to tubular rigid metallic support members and associated fittings intended for the support and connection of supply service wires for installations operating at potentials of 750 volts or less in accord¬ance with the rules of the Canadian Electrical Code, Part I. 1.2 This Standard applies to equipment for use with consumer's services in domestic and…

1. SCOPE 1.1 This Standard covers the physical properties and workmanship of Western Red Cedar (Thuja plicata) poles and reinforcing stubs.

Describes a continuous test at a steady temperature of 40°C and a relative humidity of 90-95%. The standard test duration is 4 to 56 days.

Applies to thermoplastic insulation for low-frequency cables and wires. Gives the standard colours to be used.

States and defines the principal performance characteristics of vacuum cleaners which are of interest to the user and describes the standard methods for measuring these characteristics.

Contains a discussion of the determination of the parameters of a piezoelectric vibrator by the transmission method. The contents of corrigendum of February 1971 have been included in this copy.