Ill. Admin. Code tit. 77 § 205.1720

Current through Register Vol. 49, No. 2, January 10, 2025
Section 205.1720 - Switchboards and Power Panels

Circuit breakers or fusible switches that provide disconnecting means and overcurrent protection for conductors connected to switchboards and panelboards shall be enclosed or guarded to provide a dead-front type of assembly.

a) The main switchboard shall be located in a separate enclosure accessible only to authorized persons.
b) The switchboards shall be convenient for use, readily accessible for maintenance, clear of traffic lanes, and in a dry ventilated space free of corrosive fumes or gases.
c) Overload protective devices shall be suitable for operating properly in the ambient temperature conditions.

Ill. Admin. Code tit. 77, § 205.1720

Amended at 6 Ill. Reg. 6220, effective May 17, 1982