The standards in this section cover the following types of control apparatus. 1. Industrial motor control. 2. Similar control used for industrial heating. 3. Rheostats including those for generator field.…
This Standard covers all of the following devices, whether electric, magnetic, mechanical or electronic, (except those intended specifically for marine auxiliaries and propulsion control apparatus, mine locomotive control apparatus and…
IN 1949, Standards on Piezoelectric Crystals [ l ] were issued covering the definition of axes for piezoelectric crystals and their relation to rectangular axes, standards for specifying crystal plate…
The standards in this section apply to capacitors for the following types of service. (a) Power applications 1. Power factor correction. 2. High frequency induction furnaces. 3. Capacitor motors. (b)…
In the various standards there will be found a number of different situations regarding Usual Service Conditions. The following three are typical. 1. The group where the maximum ambient temperature…
This standard covers enclosed low-voltage ac power circuit breakers, as follows: (1)stationary or draw-out type of two-or three-pole construction, with one or more rated maximum voltages o f 635, 508,…
FM and television broadcast receivers are frequently potential sources of interference to other FM and television broadcast receivers as well as to receivers in other services. In the range of…
