Thomas & Betts 54508 Open Barrel Splice, 1 AWG Wire Size, Green Code, 1.5 in, Copper Barrel, 37 Die G1858748 5 in Shackle Red Safety 5 in Shackle Red Safety Padlocks 3 in Depth 1 1 2 in Manufacturer Warranty Length 7 yr Battery Size 9V Item Carbon Monoxide Alarm Detection Method Electrochemical Audible Alert 85 dB at 10 ft Maximum Operating Temperature 100 Degrees F Country of Origin Mexico Replacement for ABB 54508 Maximum Wire Size 1 AWG Minimum Wire Size 1 AWG MFR # 54508 ABB Zoro # G903434220 UPC # Country of Origin China Type Splice Color Green Insulation Material None Maximum Voltage 35 kV RoHS Compliant Yes Country of Origin Mexico (subject to change)