Features: Adopting transparent cover plate which can directly observe the working state inside the junction box, convenient maintenance. Good sealing performance, water-proof, long service life. It has many advantages such as high impact strength, anti-aging, non-water absorption, flame retardant and high temperature resistance. The test hole is set in each circuit of the box, which is very convenient to insert the test pen. Applicable to metering boxes, meter boxes, complete cabinets, substations. Specification: Condition: 100% brand new Weight: approx. 645g/22.8oz Color: Transparent Insulation voltage: 660V, 50Hz (60Hz) Rated current: 5-20A Power frequency withstand voltage; 3000V/min Insulation resistance: >30MQ Ambient temperature: - 40℃ to + 60℃ Package List: 1 x Junction Box 1、Adopting transparent cover plate which can directly observe the working state inside the junction box, convenient maintenance. 2、Good sealing performance, water-proof, long service life. 3、It has many advantages such as high impact strength, anti-aging, non-water absorption, flame retardant and high temperature resistance. 4、The test hole is set in each circuit of the box, which is very convenient to insert the test pen. 5、Applicable to metering boxes, meter boxes, complete cabinets, substations.