[Xringer]

From what I can almost see, those wires look a bit small for 240vac at 20A (4.8kW)..
But, if they are 14 gauge, they are short enough not to matter..

These might be pretty neat for monitoring your ASHP..


Features :
AC Multifunction Power Meter :
1.Electric parameters measurement function : Energy Power Voltage Current Working Time
2.Power down data storage function : Keep off before the electric power,total operation time,display items,back light out state
3.Overload alarm function : More than power alarm threshold backlight flashing alarm
4.Power alarm threshold preset functions : Can set power alarm threshold
5.Electricity, operation time key reset function Backlight
6.Voltage Measuring Range : AC 80 - 270V
7.Current Measuring Range : 20A (The Current range can be increases up to 50A by use of heavier gage wire.)
8.Rated power: 30A/6600W
9.Operating frequency: 45-65 hz
10.Energy Measuring Range : 0-9999.99KWh
11.Power Measuring Range : 0 - 9000W
12.Working Time : 0 - 9999.59hours
Package
100% Brand New
1X AC Digital LED power meter monitor Voltage KWh time watt energy Volt Ammeter