ZA ZB ZC归档 - KXY E-Power Group

Flame Retardant Categories ZA, ZB, ZC: Matching Cable to Risk Level

Vertical cable tray ladder test setup with bundled cable samples of increasing density under a controlled flame source

Flame Retardant Categories ZA, ZB, ZC: Matching Cable to Risk Level Quick Answer: ZA, ZB and ZC grade flame retardancy by the bundled cable load in the test — the correct grade is set by how much cable shares the tray. Flame retardancy sounds like a yes-or-no property, and buying it that way is the […]