Abstract: A gas turbine engine installation is provided that has a flexible printed circuit board (FPCB) harness to transfer electrical signals, including electrical power, around a gas turbine engine. The FPCB harness is held to the gas turbine engine installation using clips. The clips have a jaw that has two sets of opposing teeth extending from a base, and a mouth through which the FPCB harness is inserted. The teeth point in a direction that has a component from the mouth to the teeth. This means that the force required to insert the FPCB harness into the clip is lower than the force required to pull the FPCB harness out of the clip in the opposite direction. This means that the FPCB harness can be secured in place while aiding ease of assembly.

Abstract: A flexible component includes a core element provided with a heat protection assembly. The heat protection assembly includes an intumescent coil wrap that extends around the core element. The coil wrap is arranged such that it is interlaced with a coil-shaped gap. This arrangement allows the component to retain flexibility, whilst still ensuring an adequate level of heat protection to the core element.