Author: Bob Harper
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BOB HARPER: Fuses confusing?
In solar systems, fires are caused by bad connections rather than fault currents. Bob Harper explains. After a recent house fire in which solar panels were ... -
Heat pumps 101
Heat pumps, powered by the sun, have proved to be more efficient than their electric counterparts. Bob Harper explains. -
Modern day electric motors
Electric motors have come a long way, and it helps to know their characteristics rather than arbitrarily replace faulty units. Bob Harper explains. -
Killer clones from overseas
Phoney Rolex watches may be fun holiday items but a ripped-off electrical fitting could wipe out an entire household. Bob Harper outlines the dangers. -
Power loss, business gain
Preventing power wastage can generate additional work, writes Bob Harper. Contractors should use the energy-awareness argument on existing and potential customers. -
How to combat hysteresis
Preventing power wastage can generate additional work, writes Bob Harper. Contractors should use the energy-awareness argument on existing and potential customers.
