Quick answer
A suitable smart plug fits between a wall outlet and an appliance plug. Smart Kablo measures and switches power in the cable connection to compatible C14-inlet equipment. Its Schuko, C14 and C20 input variants address different sources; the equipment-side C13 output and 5 A continuous limit still apply.
What is the difference between a smart plug and a smart power cable?
A smart plug occupies a compatible wall socket and receives the equipment’s existing mains plug. An inline smart power cable forms part of the power-cord connection. Current Smart Kablo models terminate in an IEC C13 connector for a compatible IEC C14 equipment inlet.
The word “smart” does not establish energy metering, automation or protection capability. Some smart plugs switch power without measuring energy. Check the exact manufacturer specification for both live watts and historical kWh. TP-Link, for example, documents energy monitoring as a supported-model feature rather than a property of every plug.
Smart plug vs inline power cable comparison
| Decision | Smart plug | Smart Kablo |
|---|---|---|
| Installation point | Compatible wall socket to equipment plug | Compatible equipment power-cord connection |
| Equipment connection | Depends on local plug/socket standard and model | C13 output to C14 equipment inlet |
| Power source | The wall socket supported by the model | Schuko, C13 PDU/UPS or C19 PDU source, by variant |
| Energy monitoring | Energy-monitoring models only | Voltage, current, active power, power factor and energy records |
| Remote on/off | Model and connectivity dependent | Authorised relay control; restoring AC does not itself boot every device |
| Current rating | Use the exact product nameplate | 5 A continuous limit across current variants |
| Integration | Use documented support for the selected model | Documented REST API; verify SNMP scope by model/firmware |
| Overvoltage | Check the exact protection function | Automatic relay-off and supply disconnection when detected |
This is a comparison of connection approaches and documented Smart Kablo scope, not a laboratory test against a specific competing device. Smart plugs vary; the table does not assign one capability set to every model.
Can a smart plug or smart cable turn on a PC remotely?
Closing the relay restores AC power. Automatic boot may also require a supported BIOS/UEFI AC Recovery or Restore on AC Power Loss setting. Wake-on-LAN is a different mechanism with its own network and power-state requirements. Review the remote PC startup guide before choosing a method.
Complete an orderly operating-system shutdown before intentionally removing power. A running PC, server, NAS, recorder or POS terminal may be writing data. Remote supply switching is not a substitute for its software shutdown process.
Which electricity readings matter?
Watts describe active power at a moment; kWh describes energy over time. A monthly cost estimate needs representative average watts or an energy record across the intended period. A single live reading is rarely a useful monthly baseline.
Measuring a PC and monitor together yields combined energy. Measuring one feed of a redundant-PSU server may omit the other feed. Use the server power consumption calculator with a clearly defined boundary. For office schedules, review after-hours PC electricity costs.
How does automatic overvoltage cutoff help?
When Smart Kablo detects overvoltage, it automatically opens the relay and disconnects the connected equipment’s supply. This adds a protection layer that helps limit exposure to detected high voltage.
It does not provide UPS runtime during a power outage or guarantee damage prevention against every lightning event or fast transient. Verify thresholds and restoration behaviour on the installed device. A protective cutoff can interrupt an active task, so include this behaviour in the operational and continuity plan.
Five checks before buying
- Identify both ends. Read the source outlet and the equipment inlet separately. A C14 equipment inlet mates with a C13 cord connector.
- Check the complete rating chain. Smart Kablo’s 5 A continuous limit and startup current both matter. A C20 input does not raise the product current limit.
- Review connectivity. Current models use Bluetooth onboarding and Wi-Fi operation. Switching off a network device can remove the path used to reach the controller.
- Define a shutdown process. Account for OS shutdown, projector cooling and POS transaction completion where applicable.
- Verify the data interface. Required recording periods, REST API behaviour and installed firmware must match the documented integration.
Do not use Smart Kablo for heaters, kettles or loads above its 5 A limit. Do not assume compatibility with C5, C7, DC or other equipment inlets. A connector match is one check within a full electrical assessment.
How should purchase costs be compared?
Compare the required measurement points, connector families, records and integration as well as unit price. One meter feeding a group produces aggregate data; per-device reporting requires separately designed measurement points. Review current Smart Kablo connection variants and request a quotation with device details and quantities for larger deployments.
Start with a small pilot. Observe a representative week, verify safe shutdown and restoration, and compare before-and-after energy under similar operating conditions. A measurement-led decision avoids assuming that every device has significant standby waste.
Frequently asked questions
Does every smart plug measure electricity use?
No. Energy monitoring is model dependent. Check the manufacturer specification for live watts and historical kWh.
Can Smart Kablo power any appliance?
No. Current C13-output models require a compatible C14 equipment inlet, suitable source and checks of the 5 A continuous limit and startup load.
Which variant should be reviewed for a C19 PDU outlet?
Review C20 to C13 for a C19 female PDU outlet and C14 equipment inlet. The Smart Kablo 5 A continuous limit still applies.
Does overvoltage cutoff protect equipment?
Automatically opening the relay and disconnecting the supply on detected overvoltage adds protection. It is not UPS runtime or a guarantee against every damaging voltage transient.
Sources and product scope
- TP-Link: energy monitoring on supported smart plugs (Turkish)
- Smart Kablo product and REST API documentation
- IEC C13, C14, C19 and C20 connector guide
Prepared by Smart Kablo · Updated 16 October 2026. Comparison based on manufacturer documentation and product specifications; no model-specific field test or savings claim is implied.