Mini-trunking may be very little PVC trunking, perfect for surface wiring in domestic and industrial installations like places of work. Metallic cable trunking might be sq., round, or trim and flat in profile. It could be fully enclosed or slotted to permit for far better thermal by fast heat dissipation. https://cable-trunking02334.blogrenanda.com/43645177/the-basic-principles-of-cable-trunking