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Is sisal rope required to wrap incoming cables and outgoing cables for MAL and MHL breakers?

On circuit breakers in 480 Vac installations where available fault current exceeds 50 kA and distance from top of circuit breaker to top of enclosure (A) exceeds 12 in. (305 mm), restrain conductor movement by using 7 ft. (2m) of 1/2 in. (12 mm) sisal rope, or equivalent.

CTA-ID : 2026166
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