This kit simplifies wiring of the PWRPAK-24V switching power supplies for use with the QCL family of Quantum Cascade Laser drivers: QCL500 OEM, or QCL500 OEM(+) (500 mA), QCL1000 OEM or QCL1000 OEM(+) (1 A), QCL1500 OEM or QCL1500 OEM(+) (1.5 A), and QCL2000 OEM or QCL2000 OEM(+) (2.0 A). This kit contains: AC: 2 twisted pair black & white 14 ga 24” wires (blk is intended for line, white for neutral) Qty 6, 14 ga ring terminals to attach the AC wires to the PWRPAK-24V screw terminals AC Safety ground #1: 22 ga green wire, 10” with ring terminals on both ends – connect two FG terminals AC Safety ground #2: 22 ga green wire, 10” with one ring terminal – connect FG to AC chassis ground Common Ground: 24 ga black wire, 10” with ring terminals on both ends – connect between -V of positive supply and +V of negative supply Qty 3, 24 ga ring terminals to attach to the wires from the 3-pin power cable (V+, POWER GROUND, V-) [ WCB311 is 20 pin connector with cables] A wiring diagram is shown on the Specification Page. Free, effective, and responsive technical support is available to simplify integration of Wavelength products into your OEM design. Standard product can be easily modified to meet your application requirements.