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Avis d'intention

Câble de bord marin

1.1 This Standard specifies the requirements for distribution (power), control, and signal cables, for use aboard marine vessels and fixed and floating offshore drilling or production platforms, that are a) rated up to 35 kV...
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Isolateurs composites pour haubans

1.1 ThisStandard covers the requirements for guy composite insulators used in guy wires on overhead distribution lines operating at nominal voltages up to and including 75 kV. Guy insulators insulate or isolate guy wires for...
Avis d'intention

Interrupteurs à usage spécial

1.1 This Standard applies to manually operated and mechanically operated special use switches that are a) for use on dc, ac/dc, or ac only; and b) rated at not more than i) 60 A at 250 V or less; or ii) 30 A or 2 hp at 600 V...
Avis d'intention

Toron d’acier galvanisé

1.1 This Standard describes zinc-coated steel wire strand suitable for use as guys, suspension strand, span wires, and overhead ground wire strand. Overhead ground wire strand for electric power transmission is produced free...
Avis d'intention

Interrupteurs à horloge

.1 This Standard applies to clock-operated switches, rated 600 V or less, designed to be used in ordinary locations to close and open circuits to a load at predetermined intervals, and intended to be employed in accordance...