FG Hollow Core Poles, Preferred for Tree Trimming and Aerial Construction. Jameson’s strongest and most popular pole is lighter than the JE series, offering greater control and exceptional bending strength. Polymer protective surface veil prevents fiber blooming at surface due to abrasion or ultra-violet light, batch tested to 100KV per foot for five minutes. Not A “Hot Stick” – Not For Use On Energized Lines.