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11450.2 - Questions and Interpretations

Section # Reference Topic Reference #
2 Para. 2-4.2.1(f) and 2-7.4(f) Allowance for cast aluminum thruster housings on brakes 22-053
2 2-7.2.1.(c) Allowance for drawn galvanized wire rope in Division 2 hazardous areas 23-006
2 Para. 2-4.2.1(f),2-7.1(t), and 2-7.4(f) Allowance for cast aluminum thruster housings on brakes 22-053
23-003
2 Para. 2-4.2.1(f),2-7.2.2 Allowance for hoist brakes housed in grey cast iron when operating in a Hazardous Environment. 23-016
2 Para. 2-4.2.1(f),2-7.1(t) Allowance for aluminum carrier ring friction discs for brakes. 23-004
2 Para. 2-3.2.1(d),
2-3.2.1(f)		 Allowance for commercially available travel truck assemblies with pinions of last reduction open gear sets that are not crowned nor manufactured with gear tolerances of A8 or better per AGMA 2015. 23-051
2 Para. 2-7.2.1(d) and 2-7.2.2(d) Allowance for Intrinsically Safe Circuitry. 23-023
2 2-3.11.1(c), 2-3.11.1(e),
2-3.15(c), 2-3.16(l),
2-3.23(a), 2-4.2.1(f),
2-4.2.1(n), 2-5.5(j)		 Commercial package hoists for GPS non-ordnance applications: wheel material, brake housing material, hook/block design factor for manual hoists, brake manual release, and motor duty rating. 23-058
2 2-4.2.1(f), 2-4.2.1(n), 2-7.4(f) and (g) Commercial package hoists for ordnance applications: brake housing material and brake manual release. 23-064
2 2-4.2.1(f) Allowance for commercially available travel truck assemblies with gray cast iron or aluminum travel brake housings in general purpose service (GPS) applications 24-005
2 2-4.2.1(f) Allowance for commercial package hoists and end truck assemblies: brake housing material with gray cast iron or aluminum in hazardous/explosive (minimum anti-spark protection) general purpose service (GPS) applications 24-012

 

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