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This part of IEC 60974 is applicable to electrode holders for manual metal arc welding with electrodes up to 1 0 mm in diameter. It is not applicable to electrode holders for underwater welding. This part of IEC 60974 specifies safety and performance requirements of electrode holders.
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This part of IEC 60974 is applicable to power sources for arc welding and allied processes designed for industrial and professional use, and supplied by a voltage not exceeding that specified in table 1 of IEC 60038, or driven by mechanical means. This Standard is not applicable to welding power sources for manual metal arc
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The following method is applicable to enclosed PTTA or partitioned sections of PTTA without forced ventilation. NOTE 1 – The influence of the materials and wall thickness usually used for enclosures are negligible on the steady state temperatures. The method is therefore applicable to enclosures made of sheet steel, sheet aluminium, cast iron, insulating material
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This clause of part 1 applies except as follows. Replacement: This standard applies to electronic switches and to associated electronic extension units for household and similar fixed electrical installations either indoors or outdoors.
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AS 60305:2007 applies to string insulator units of the cap and pin type with insulating parts of ceramic material or glass, intended for a.c. overhead lines with a nominal voltage greater than 1 000 V and a frequency not greater than 1 00 Hz. It also applies to insulators of similar design used in substations.
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Fuses for use by authorized persons according to the following sections shall also comply with all subclauses of IEC 60269-1. Low-voltage fuses – Part 1: General requirements IEC 60269-2. Low-voltage fuses – Part 2: Supplementary requirements for fuses for use by authorized persons (fuses mainly for industrial applications)
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This standard specifies methods of measurement of the characteristics of hearing aids using bone vibrator output.
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This part of IEC 601 1 8 specifies the electrical and safety characteristics of a circuit for an external electrical input to a personal hearing aid in order to ensure compatibility with external electrical or electroacoustic signal sources. In this standard, the hearing aid may include an adaptor (audio shoe) which incorporates connector systems described
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IEC 60052 sets forth recommendations concerning the construction and use of standard air gaps for the measurement of peak values of the following four types of voltage: a) alternating voltages of power frequencies; b) full lightning impulse voltages; c) switching impulse voltages; d) direct voltages.
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This International Standard applies to the classification of degrees of protection provided by enclosures for rotating electrical machines. It defines the requirements for protective enclosures that are in all other respects suitable for their intended use and which, from the point of view of materials and workmanship, ensure that the properties dealt with in this
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