Section 408.41515. Power line clearances; generally.

(1) When working in proximity to power lines, all equipment covered by this part shall maintain clearances as prescribed in Table A “Minimum Clearance Distances.”

(2)   When traveling with no load in proximity to power lines, all equipment covered by this part shall maintain clearances as prescribed in Table B “Minimum Clearance Distances While Traveling with No Load.”

(3)    The employer shall designate an employee to observe the clearance and give timely warning if it is difficult for the operator to maintain the prescribed clearance by visual means.

TABLE A MINIMUM CLEARANCE DISTANCES
Voltage (nominal, kV, alternating current)	Minimum clearance distance (feet)
up to 50	10
over 50 to 200	15
over 200 to 350	20
over 350 to 500	25
over 500 to 750	35
over 750 to 1,000	45
over 1,000	(as established by the utility owner or operator or registered professional engineer who is a qualified person with respect to electrical power transmission and distribution)
Note: The value that follows ‘‘to’’ is up to and includes that value. For example, over 50 to 200 means up to and including 200kV.

TABLE B MINIMUM CLEARANCE DISTANCES WHILE TRAVELING WITH NO LOAD
Voltage (nominal, kV, alternating current)	Minimum clearance distance (feet) while traveling
Up to 0.75	4
Over .75 to 50	6
Over 50 to 345	10
Over 345 to 750	16
Over 750 to 1,000	20

History: 2016 MR 6, Eff. March 22, 2016.