Electrostatic discharge on painted surfaces Electrostatic discharge on painted surfaces vjr0512 (Mechanical) (OP) 2 Jan 18 12:09 Need to understand better the implication of the Electrostatic discharges and sparks on the painting in the installations of Gas group IIC. Should the non-mettalic items to be restricted in such atmopsheric installations Thanks to clarify RE: Electrostatic discharge on painted surfaces racookpe1978 (Nuclear) 2 Jan 18 16:53 Please re-phrase your question. It is not clear what situation (operation, maintenance of an operating plant (outside of the hot pipe?), new construction of a new pipe in an operating plant, or new construction in a new (cold ?) plant is being discussed, nor what fluid, temperature, and type of coating system is your concern.