When stair mats connect to walkway mats, you may need this 20" connector cable. Follow this rule: Starting from the Power Unit, wherever a Stair Mat leads to a Walkway Mat you will need a 20-Inch Connector Cable. However, when a Walkway Mat leads to a Stair Mat, you do not need one. See image above.
Features
Length of Cable Connector: 20 inches
Cable Gauge: 14/3 SJTW
Volts: 120V
The cable extender is not compatible with Industrial Walkway Mats.