Speedskater

The higher the frequencies (digital or analog or TV) and the longer the cable, the more important the Radio Frequency Characteristic...

Capacitance really should not be a problem with speaker cables unless it is intentionally, excessively high. Capacitance can be a...

Questions: Does this noise happen 24 by 7? Have you tried your system in another building?

They primary function of the Safety Ground/Protective Earth circuit is to trip the circuit breaker if there is a Ground Fault (short...

The unit pictured in post #9 has the square within a square safety symbol for a double insulated unit. It doesn't use a Safety...

Power line noise & leakage currents have little interest in Planet Earth. They want to get back to their source. Which is the main...

Safety ground (it isn't audio nor RF ground) should never have a fuse in it. when the fuse would break, when something goes wrong, metal...

An independent (isolated) safety ground is illegal (against code) here (CO) and most places. The safety ground must return to the...

In the bass where the 2 loudspeakers are mainly coherent sources it is theoretically 6 dB, above where they are incoherent theoretically...

A century ago there were some 2 phase AC power systems, with 90 degrees between phases. Now almost everything is single phase, single...

But NEC 210.4 is about: 210.4 Multiwire Branch Circuits not luminaries or cords.

Part of the solar panel problem is that some installers don't follow good engineering practices. People may not associate interference...

The typical problem with some US solar panels is RFI.

This brief article from Blue Jeans Cables discusses, in accessible language, how and why RCA cable geometry matters in hum rejection...

We called them: Go to me, go from me's.