spray point

spray point

[′sprā ‚pȯint]
(electricity)
One of the sharp points arranged in a row and charged to a high direct-current potential, used to charge and discharge the conveyor belt in a Van de Graaff generator.
References in periodicals archive ?
It may be an hour's drive from area wineries, but visiting Spray Point Station is like journeying to Middle Earth.
Tenders are invited for Supply of Dual desk with bench made out of 1 square pipe 18 gauge with spray point finish with wooden to and seat and back of size 4A length 42 inch x breadth 38 inch x height 30 inch.
Sprinkler System and associated valves, pipe lines and spray points.