Overhead Line Covers & Bus Connection Insulating Covers
A shorter Insulation Enhancement Products overview covering Gala's Overhead Line Cover, Overhead Line Tube, Silicone Overhead Line Cover (GSOC) and reusable Bus Connection Insulating Covers (GPFIC).
- ANSI C37.20.2
Installation instructions
Full dimensional specifications and technical data — download the sheet for your size.
Dimensions & Drawings
Birds, animals, vegetation and airborne debris bridge phase-to-phase or phase-to-earth clearances on bare busbars, conductors and connections, causing flashovers that damage equipment and can electrocute the animal. Gala's Insulation Enhancement range insulates the vulnerable bare metalwork to prevent it.
Insulcover is a wrap-around line cover in non-tracking cross-linked polyolefin for bare overhead conductors, used in applications up to 66 kV and installed with the Split Insulation Tube Tool at one stationary location, without conductor replacement. GSOC non-tracking silicone line covers field-install over bare conductors for insulation enhancement up to 765 kV.
Read the full overview
GPFIC bus/bushing connection covers are UV-stable and track-resistant, field-trimmed at the entry and exit holes, and can be re-entered and reused for later maintenance — which lowers overall lifetime cost.
Pre-formed insulation covers in polyolefin cover the common connection geometries: GPS 1099 with a 100 mm bottom opening, GPS 1178 with 40 mm left and bottom openings, GPS 1167 with 90 mm left and right openings and 100 mm at the bottom, and GPS 1165 with no opening, field-cut on the conductor side.
Covered on this page
- INSULATION ENHANCEMENT PRODUCTS
- Cable End Caps - Live End Caps
- Overhead Line Cover:
- Overhead Line Tube:
- Overhead Line Cover - Silicone:
- Bus Connection Insulating Covers (Reusable):
- Bus Connection Insulating Cover:
- Bus Connection Insulating Cover:
- Bus Connection Insulating Cover:
- Busbar Insulation Shrouds (Reusable):
- Shrouds for Outdoor applications upto 36kv for Switchyard (Reusable):
- MANUFACTURING FACILITIES
Features & Benefits
- Meets ANSI C37.20.2 standards
- Non-tracking cross-linked polyolefin (Insulcover) and non-tracking silicon rubber (GSOC)
- GPFIC covers are field-trimmable and reusable for repeat maintenance
Applications
- Retrofit insulation of overhead conductors up to 66 kV (Insulcover) and up to 765 kV (GSOC)
- Bird and animal flashover protection at substations and bus connections
Standards & Compliance
- ANSI C37.20.2
FAQs
Frequently Asked Questions
What is the Overhead Line Covers & Bus Connection Insulating Covers used for?
It is used for:
- Bird and animal flashover protection at substations and bus connections
Which standards and test methods are quoted for it?
These:
- ANSI C37.20.2
Where can I download the datasheet?
From the "Download datasheet" button at the top of this page, or here:
Can I get a quote, a sample or a size that is not listed?
Send your cable details, quantity and application with the "Request a Quote or Sample" form at the foot of this page. For a size or variant that is not in the chart, describe what you need there, or use Technical support at the top of the page, and the technical team will confirm what can be supplied.

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