Installation Manual for the GE Security GuardSwitch Series 300 Interlock Switches, published in 2004. Document No: I-3897-0204, Rev: D. Models 391-CT-06K, 391-CT-12K, 391-DT-06K and 391-DT-12K. Physical installation guide, backbox dimensions, and cabling specifications.

Installation Manual for the GE Security GuardSwitch Series 300 Interlock Switches, published in 2004. Document No: I-3897-0204, Rev: D. Models 391-CT-06K, 391-CT-12K, 391-DT-06K and 391-DT-12K. Physical installation guide, backbox dimensions, and cabling specifications.