Cable ties have been successfully used as radial insulators. OK for 100w. Would it be two ties connected in serial for QRO opera

Plastmasiniai kabeliu suverzinkliai panaudoti kaip pakeltu radijalu izoliatoriai. OK dirbant su 100w. Pagal Omo desni dirbant QRO reiktu poros nuosekliai sujungtu?