6 December 2006
Including change 1, 7 December 2006
10-12.4.9 One handline must be kept in reserve and maintained in a dry condition to
use as a safety line in case there is a need to rescue a worker from a pole. This
handline must be stored in a protected part of the truck where it cannot become wet.
10-12.5 Tackle Blocks. Tackle blocks used on maintenance work must be equipped
with safety snaps to prevent wire grips and live tools from coming loose and falling.
TOOLS. Aerial line work involves the use of portable power tools and other
10-13.1 Portable Power Tool Precautions. Use only approved portable power tools
on poles, towers, or structures.
10-13.1.1 Keep electric tools and connected power cords a safe distance from any
circuit or apparatus energized in excess of 600 V, phase to phase. Power cords must
be adequately insulated and properly secured to prevent accidental contact with any
10-13.1.2 Do not use air-driven and hydraulic-driven tools when their conducting parts
can come closer than the minimum working distance to any energized conductor or
apparatus. Cover the energized conductors or apparatus with protective equipment
appropriate for the voltage involved when the minimum clearances cannot be obtained.
Supply hoses must be made of non-current carrying material throughout, be properly
maintained, and secured in use to prevent accidental contact with any energized
conductor or apparatus.
10-13.1.3 Use power saws in an elevated position on a pole, tower, or structure only
when approved by the authorized individual-in-charge.
10-13.1.4 Non-current carrying metal parts of hand-held portable electric power tools
must be grounded unless supplied from a ground-fault interrupting (GFI) circuit.
Approved double-insulated tools and tools fed from ungrounded isolated power supplies
need not be grounded.
Miscellaneous Tool Precautions.
10-13.2.1 Pike pole handles must be sound and free from splinters. Spear points
(gaffs) must be sharp and securely fastened to a pole. When carried on trucks, pike
poles must be placed to prevent injuries.
10-13.2.2 Maintain cant hooks and carrying hooks in a safe condition.
10-13.2.3 Never use jennies with cracked or broken legs, dull teeth, or loose bolts. Use
only approved jennies.