# EG4xxx DC Power Supply ##### [ Visit the online store page](https://store.egauge.net/Test-Power-Cable "Visit the online store now!") ##### SKU: TPC-DC
**Not for use** with the ESH044 Sensor hub, if connected to the Sensor Hub 5 Vdc 2-pin voltage port **sensor damage will occur**.
When measuring AC power, the AC voltage inputs must be utilized, power cannot be calculated otherwise. The EG4xxx DC Power Supply may be used to power an eGauge while it is measuring high voltage, but the AC inputs (L1/L2/L3/N) must be connected to the system being monitored either by connections to the AC Mains power connector or via [EV1000](https://store.egauge.net/High-Voltage-Sensor) sensors.
  |
*eGauge Test Power cable* |
The EG4xxx DC Power Supply must be connected to the Ldc terminal. If connected to a Sensor/CT input damage may occur
1. Select the appropriate receptacle adapter. 2. Clip the receptacle adapter into the body of the power supply. 3. Connect the two pin plug to the Ldc terminal (next to the five pin power plug).