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This International Standard specifies signalling interworking between QSIG and H.323 in support of call completion supplementary services within a Corporate telecommunication Network (CN). QSIG is a signalling protocol that...

These requirements cover metallic pipe intended for use in water based fire protection systems for water distribution or valve trim applications. These pipes may be used in fire protection systems when installed in accordance...

1 General 1.1 Scope Replace this clause of the RD with the following: 1.1.1 Equipment covered by this Standard This Standard applies to UNINTERRUPTIBLE POWER SYSTEMS (UPS). The primary function of the UPS for this Standard is...

1 General Replace this clause of the RD with the following: 1.1.1 Equipment covered by this Standard This Standard applies to UNINTERRUPTIBLE POWER SYSTEMS (UPS). The primary function of the UPS for this Standard is to ensure...

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 specifies the procedure for factory certification of manufactured, modular, and panelized buildings intended for residential, commercial, or semi-commercial use. It specifies requirements for (a)...

1 Domaine d’application 1.1 La présente norme s’applique à la construction et au rendement des écrans thermiques conçus pour réduire les dégagements minimums recommandés entre les appareils produisant de la chaleur et les...

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...

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 Cette norme s'adresse aux fabricants et aux acheteurs de machines vendues au Canada ou exportées à l'étranger. Elle s'adresse également aux organismes de régulation, aux acousticiens et à tous les intéressés. 1.2 Cette...

"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...