Handhole Definition: A handhole is a small underground chamber used mainly for pulling, routing, or inspecting cables. Characteristics: Small size (typically 40×60 cm or 60×60 cm). To protect these cables and allow easy maintenance, underground access chambers are used — primarily known as Handholes. Whether you're installing fiber optic cables, maintaining power lines, or upgrading broadband networks, handholes offer safe, accessible, and cost-effective access points for underground utilities. Proper placement minimizes signal loss, simplifies installation, and supports sustainable growth. Four basic decisions are required when ordering handholes: Material.