In the Motion Picture industry, electrical ladders or cable hangers, also known as “fishbones”, are sometimes used to suspend or organize electrical cables. Fishbones are generally constructed out of plywood. A plastic commercial model is also available.

Fishbones should be understood to be a component in a cable management system and not intended to be the only method to support the weight of cables. This fact sheet outlines best practices in working with fishbones, and also provides guidelines for the construction of plywood versions. As with any other work procedures, the installation and removal of cable management systems require a risk assessment and a plan which is specific to that situation.

Fishbones Fact Sheet PDF