FRP cable management includes pultruded cable trays and trench covers used to support and protect electrical cables. This page explains key considerations for selecting the appropriate product configuration for an installation.
Product Family Overview
FRP cable trays are manufactured by pultrusion, with continuous glass fiber reinforcement incorporated into the profile structure. They may be ladder, solid-bottom, or perforated. Trench covers are often solid or grated. Resin options include polyester and vinyl ester systems, with flame-retardant formulations available for applicable configurations.
Selection Considerations
- Electrical properties – consider the required level of electrical insulation or conductivity for the installation.
- Cable loading and support spacing – consider cable load, tray geometry, and support spacing when selecting the configuration.
- Fire-performance requirements – consider applicable requirements when selecting the resin system and product configuration.
- Chemical exposure – resin selection depends on the chemicals, concentration, temperature, and exposure conditions.
Frequently Asked Questions
Are FRP cable trays electrically insulating?
Electrical properties vary by material formulation and product configuration. FRP cable trays are generally selected where electrical insulation is required, but the specific configuration should be evaluated for the intended installation.
Can FRP cable trays be modified on site?
Yes, but field cutting exposes glass fibers. Cut edges must be sealed with a compatible resin to maintain corrosion resistance.
