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Flexible or expansion connections shall be provided in long, straight runs of bus to allow for temperature expansion or contraction, or where the bus run crosses building vibration insulation joints.
All conductor termination and connection hardware shall be accessible for installation, connection, and maintenance.
Where bus enclosures terminate at machines cooled by flammable atmospheres, seal-off bushings, baffles, or other means shall be provided to prevent accumulation of flammable gas in the bus enclosure.
(Title 24, Part 3, Section 364-28.)
NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code; and Section 18943(c), Health and Safety Code.
1. Editorial correction filed 11-2-83 (Register 83, No. 45).