1. Slang for a type of Socapex cable tester whose size and shape resembles a hand grenade.
http://roadietools.com/6CT.html
The two-piece construction allows one to test cables without the male and female ends being in the same place, i.e. after the cable is installed.
2. Grenade weight. A piece of steel or iron with a ring top used at the stage ends of the lift lines for a braille or contour curtain.
Illustration from http://www.hhspecialties.com/CAT16 2011.pdf .
http://roadietools.com/6CT.html
The two-piece construction allows one to test cables without the male and female ends being in the same place, i.e. after the cable is installed.
2. Grenade weight. A piece of steel or iron with a ring top used at the stage ends of the lift lines for a braille or contour curtain.
Illustration from http://www.hhspecialties.com/CAT16 2011.pdf .