How many wires can be worn in a wire tube
KBG GB is a Class A fireproof material, PVC has B. B2 level or even lower, from a security point of view, kbg tube more secure
The difference is obvious: classification BV belongs to the electrical equipment wiring line fixed wiring wire YJV is the power cable voltage level BV: generally have 300/
Material on the points: one is galvanized iron, one is the PVC material performance points: KBG tube flame retardant, ordinary PVC does not have this performance PCV tube is usually used for home improvement (non) dark laying, KBG tube for standard occasions, public equipment or other occasions The Under normal circumstances not dark laying. And the KBG tube protects the wire more
