Abstract: An apparatus and related kit for forming the apparatus that includes a modular perimeter guardrail assembly useful on top of electrical transformers found in industrial settings. The apparatus and kit includes a plurality of anchors, each said anchor providing a post support and removably attachable to an edge of an electrical transformer; a plurality of post assemblies, each post assembly removably attached to a corresponding one of said anchors in a vertical orientation; a plurality of brace assemblies, each brace assembly removably attached to at least two of said post assemblies; and at least one midrail clamp assembly capable of providing removable attachment to exactly two of said brace assemblies at a midpoint thereof.

Abstract: An apparatus and related kit for forming the apparatus that includes a modular perimeter guardrail assembly useful on top of electrical transformers found in industrial settings. The apparatus and kit combines anchors, posts, braces, and midrail clamps that are able to be assembled by a worker quickly, safely and intuitively. The apparatus may be assembled, disassembled, and reassembled any given configuration of the guardrail apparatus on the same or different transformer and serves to prevent workers from falling off the top of the given transformer.