Wiring Cable & Accessories procurement guide
Wiring materials are supplied against installation schedules, covering cable, containment and the accessories that terminate a circuit. Electrical equipment must be selected as part of a system, using load, network, protection, environment and applicable project requirements.
System role and load
The stated applications are Building electrical installation, Industrial plant wiring, Refurbishment and rewiring and Temporary and site installations. Provide the system role, connected loads, duty, redundancy, future capacity and interfaces with existing equipment.
Ratings, compatibility and acceptance
Compare proposals against Cable sizes and total lengths required, Containment types and sizes, Accessory schedule and finishes, Installation environment and Delivery phasing to site. Require source-specific drawings, datasheets, protection or coordination information and the test/standard evidence called for by the project.
Installation, protection and support
Confirm enclosure and environmental conditions, cable/termination interfaces, dimensions and weights, transport protection, site access, installation boundaries, testing, commissioning, training, warranty expectations and spare components.
Information to include in your quotation request
Send the single-line diagram or system description, load and duty, Cable sizes and total lengths required, Containment types and sizes, Accessory schedule and finishes, Installation environment and Delivery phasing to site, quantity, site conditions, existing interfaces, destination, installation/testing scope and required project documents.