Rain Bird VB10RNDB 10" Round Valve Box Black Body Only L5F21S1DG1 highly durable design comes with highly durable design comes with an optional stainless steel riser for tough as nails strength Red LED Service Indicator Maximum Continuous Operating Voltage (L G) 150 Maximum Continuous Operating Voltage (L L) 300 Maximum Continuous Operating Voltage (L N) 150 Maximum Continuous Operating Voltage (N G) 150 Maximum Surge Current Rating Per Mode 50 kA Nominal Discharge Current 20 kA RoHS Certification Yes Short Circuit Current Rating 200 kA Surge Protection LED Indicator Yes Voltage Protection Rating (L G) 1200 Voltage Protection Rating (L L) 1200 Voltage Protection Rating (L N) 700 Voltage Protection Rating (N G) 600 Wire Size Max #10 AWG Operating Temperature Max (°C) 80 Operating Temperature Max (°F) 176 Operating Temperature Min (°C) 40 Operating Temperature Min (°F) 40 Product Depth (in) 3 Pipe hole knockouts designed to fit with most pipe configurations are built into the sides of the valve box for easy pipe placement with little need for time consuming valve boxes play an important role