Install and modify wiring, distribution boards and switchgear. Includes professional execution to standards and manufacturer specifications, appropriate measuring and testing steps, occupational safety, and complete documentation of the work performed.Install and modify wiring, distribution boards and switchgear. Includes professional execution to standards and manufacturer specifications, appropriate measuring and testing steps, occupational safety, and complete documentation of the work performed.Install and modify wiring, distribution boards and switchgear. Includes professional execution to standards and manufacturer specifications, appropriate measuring and testing steps, occupational safety, and complete documentation of the work performed.