The Lighting safety wire cables are manufactured from flexible 4mm steel with a safe working load of 35 Kg which is quiet adequate for most Tri-lite stage rig lighting system effects.
It’s defiantly not worth the risk of penny pinching you should have one safety wire anchor for very thing that can go with a swing.
What if your main disco centerpiece light fell and killed the bride at the wedding, where would you hide your head or what would you say on the mic. “Ha the silly thing could have cached it, that’s broke the lamp now”.
Eyeleted carbine hook and loop lighting safety wire are something all mobile Lighting engineers and Karaoke Dj services should be using.