Current through Register Vol. 54, No. 50, December 14, 2024
Section 39.172 - Location and illumination(a) Switchboards shall, if practicable, be so placed that the operator is not endangered by any live or moving parts of machinery or equipment located near the board.(b) Sufficient illumination shall be provided both for the front and rear of the switchboard so that the switchboard may be readily operated and instruments conveniently read.