"Insulated OPGW hand tools" and "hot stick attachments" are absolutely critical for personnel safety during "live-line OPGW work":

• Insulated Hand Tools: These tools feature multi-layered, dielectric insulation designed to protect against electrical shock up to specified voltage levels. They are used for direct contact with or in close proximity to energized conductors while maintaining isolation.

• Hot Stick Attachments: These are specialized tool heads that can be securely mounted onto insulating hot sticks. They allow linemen to perform tasks such as installing clamps, making adjustments, or applying grounding devices from a safe distance, eliminating direct contact with energized components.

• Compliance: All such tools must strictly adhere to international standards like IEC 60900 (for insulated hand tools) or ASTM F711 (for hot sticks and attachments), and undergo rigorous dielectric testing.

These tools are indispensable safety barriers, enabling essential OPGW maintenance or reconductoring operations on energized lines without outages.