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1 Scope This part of IEC 61869 is a product family standard and covers only additional general requirements for low-power instrument transformers (LPIT) used for a.c. applications having rated frequencies from 15 Hz to 100 Hz...

This part of IEC 60601 applies to the basic safety of hearing aids and hearing aid systems, hereafter also referred to as ME EQUIPMENT or ME SYSTEM. If a clause or subclause is specifically intended to be applicable to...

1.1 This Standard applies to (a) heater elements for use in equipment that is intended to be connected to a supply of nominal system voltage of 600 V or less; and (b) those heater 1.2 This Standard applies to the following...

1.1 This Standard specifies requirements for 600-volt-class copper and aluminum conductor secondary and service-entrance cables intended for underground installation (a) by direct burial; or (b) in duct systems. This Standard...

"1.1 The objective of this Standard is to establish minimum criteria for effective emergency preparedness and response. 1.2 This Standard applies to all organizations (as defined in Clause 3.1) that may be affected by natural...

1.1 This Standard applies to self-acting spring-operated devices that automatically reduce the initial pressure in water systems to a set lower pressure. It applies to devices that are of the direct-acting diaphragm type with...

1.1 This Standard covers the requirements for line post composite insulators used on overhead distribution lines operating at nominal voltages up to and including 75 kV. Line post insulators support the line conductor...

1.1 This Standard specifies the construction and testing of armoured segmented power and communication assembly (ASPCA) composite cable systems suitable for emergency applications rated up to 600 V. Note: Systems can include...

1.1 This Standard specifies requirements for photovoltaic single-conductor and multi-conductor thermoset-insulated wires and cables that are rated 600, 1000, or 2000 V, suitable for ac and dc systems, and intended for...

1.1 This Standard covers the requirements for line post composite insulators used on overhead distribution lines operating at nominal voltages up to and including 75 kV. Line post insulators support the line conductor...

Scope 1.1 This Standard covers nonrecirculating toilets, vacuum toilets, and waste-holding tanks. For these products, this Standard specifies requirements for (a) design; (b) materials; (c) components; (d) construction and...