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A boom mountable robotic arm for temporarily supporting an elongate conductor includes a rigid member such as a beam or beam assembly adapted for mounting onto the upper end of a boom for example using a boom adaptor, at least one electrically insulated support post mounted to the rigid member, wher

A boom mountable robotic arm for temporarily supporting an elongate conductor includes a rigid member such as a beam or beam assembly adapted for mounting onto the upper end of a boom for example using a boom adaptor, at least one electrically insulated support post mounted to the rigid member, where each post temporarily supports an elongate electrical conductor, and at least two rotation devices for selectively controllable rotation of the rigid member and the electrically insulated support posts about at least two corresponding axes of rotation.

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1. A boom mountable robotic arm for temporarily supporting energized electrical conductors comprising: a single elongate unitary beam adapted for coupling with an upper end of a boom,at least one electrically insulated support post coupled to beam adapted to temporarily support at least one energize

1. A boom mountable robotic arm for temporarily supporting energized electrical conductors comprising: a single elongate unitary beam adapted for coupling with an upper end of a boom,at least one electrically insulated support post coupled to beam adapted to temporarily support at least one energized electrical conductor,a first rotation coupling that provides selectively controllable rotation of said beam about a first axis of rotation and wherein said first axis of rotation extends between said beam and the upper end of the boom for rotation of said beam relative to said boom in a substantially vertical plane,wherein said at least one electrically insulated support post includes at least one conductor retainer for said temporary support of said at least one energized electrical conductor, said at least one conductor retainer pivotally mounted on said at least one electrically insulated support post for rotation about at least one corresponding second axis of rotation. 2. The boom mountable robotic arm of claim 1 wherein said at least one conductor retainer is a plurality of conductor retainers pivotally mounted on said at least one electrically insulated support posts for rotation about said second axis of rotation for each said conductor retainer of said plurality of conductor retainers. 3. The boom mountable robotic arm of claim 2 wherein said at least one electrically insulated support posts is a plurality of electrically insulated support posts. 4. The boom mountable robotic arm of claim 2 wherein said at least one electrically insulated support post supports said plurality of conductor retainers for pivoting of said plurality of conductor retainers about said second axis of rotation for each said conductor retainer. 5. The boom mountable robotic arm of claim 4 wherein said second axis of rotation for each said conductor retainer is single, common axis of rotation. 6. The boom mountable robotic arm of claim 5 wherein said plurality of conductor retainers are mounted on a rotatable platform, rotatable relative to said beam. 7. The boom mountable robotic arm of claim 6 wherein said rotatable platform is a rotary table. 8. The boom mountable robotic arm of claim 7 wherein said plurality of electrically insulated support posts are slidably mounted on said beam, and wherein at least two support posts of said plurality of electrically insulated support posts are mounted between said rotary table and said beam. 9. The boom mountable robotic arm of claim 1 wherein said at least one electrically insulated support post includes first and second support posts having corresponding second and third rotation couplings, said second and third rotation couplings having corresponding, substantially parallel, axes of rotation allowing distal ends of the first and second support posts, distal from said beam, to rotate towards or away from each other. 10. The boom mountable robotic arm of claim 1 further comprising a boom adaptor mountable to said upper end of the boom; and wherein said beam is an upper beam assembly rotatably mounted to said boom adaptor for rotation of said upper beam assembly about said first axis of rotation relative to said boom adaptor, said upper beam assembly supporting thereon said at least two electrically insulated support posts and wherein a conductor retainer is mounted on said distal end thereof; and wherein said first rotation coupling includes a selectively actuable leveling adjustor mounted so as to cooperate between said upper beam assembly and said boom adaptor for selectively adjusting an angular position of said upper beam assembly relative to said boom adaptor. 11. The boom mountable robotic arm of claim 10 wherein said second and third rotation couplings each include a respective actuator cooperating between said upper beam assembly and said at least two electrically insulated support posts for selective inclination of said at least two electrically insulated support posts relative to said upper beam assembly. 12. The boom mountable robotic arm of claim 11 wherein each said electrically insulated support post includes an insulated upright portion and a riser portion, said riser portion having a first end pivotably connected to said upper beam assembly and a second end supporting said insulated upright portion, and wherein each said respective actuator angularly extends from said second end of said riser portion to said upper beam assembly. 13. The boom mountable robotic arm of claim 11 wherein each said respective actuator includes an insulated portion and a lengthwise extendable portion, each said respective actuator angularly extending between a distal end of said insulated support post and said upper beam assembly. 14. The boom mountable robotic arm of claim 1 further including an interruptible conductor having first and second ends and a plurality of the electrically insulated support posts supporting said interruptible conductor away from said upper beam assembly. 15. The boom mountable robotic arm of claim 14 wherein said selectively interruptible conductor comprises a stationary conductor between said distal ends of first and second posts of said at least two electrically insulated support posts and a rotatable conductor extending from said distal end of said second post and being selectively connectable to a distal end of a third post of said at least two electrically insulated support posts.