Osha Power Line Clearance Chart. Also, select safe locations with ample power line clearance for equipment and materials. For driveways and other passages used by vehicles that are less than 8 feet in height, the rules for minimum clearances are:
Under the table, for insulated lines. The cards, issued in conjunction with the florida crane safety alliance, also provide references for best practices based on both. Before performing any work near power lines, the employer.
0.9 Meter (3 Ft) The Width Of The Workingspace In Front Of The Panel.
Always assume all overhead lines are energized. The minimum clearances depend on: Clearances specified in this document refer to bare, lightly and effectively insulated line conductors and have been determined to provide safety to the general public and protection against flashover of the line.
— 1926.1408 (C) Use Table A To Determine The Crane’s Minimum Approach Distance (Mad) To The Power Line.
The voltage rating of the equipment 2. (a) have a lowered boom/mast and support system (b) obey minimum clearance distances set in table t (c) reduce speeds to minimize breaching (d) use a dedicated spotter if closer than 20 feet (e) illuminate or identify the power lines at night (f) identify and use a safe path of travel. Clear height in front of panel <480v.
Determine An Absolute Minimum Clearance.
Clear height in front of panel >480v. Osha 1926 cfr subpart cc cranes and derricks in construction lists requirements for power line clearance. Nationwide, overhead power line injuries have outnumbered all other types of electrical injury since the bureau of labor statistics began tracking these cases in 1992.
Section 1926.451(F)(6) Of The Scaffold Standard States That Scaffolds Shall Not Be Erected, Used, Dismantled, Altered, Or Moved Such That They Or Any Conductive Material Handled On Them Might Come Closer To Exposed And Energized Power Lines Than The Applicable Minimum Approach Distance Table In The Scaffold Standard.
These values are intended for nesc inspection reference only and Also see guidance on overhead power line pdf. 0.3 m power cable to gas/water main :
The Factors That Must Be Considered In Making.
However, larger the clearance, better would be current carrying capacity power cable to control cables : Also, select safe locations with ample power line clearance for equipment and materials. Spaces, cal/osha has established regulations setting minimum clearances around electrical equipment rated at 600 volts or less.