Cables & Accessories

Current affairs Mains filtration removes high-frequency noise, but as Richard Black discovers Isol-8’s Powerline Axis goes the other way, removing direct current ains treatment specialist Isol-8 has been around for quite a while, but has not been over-keen to offer product for review. Evidently, the reason for this decision was due to the fact that advanced sales had outstripped supply, apparently! Now that this problem has been addressed, we’ve finally been able to get our hands on a sample and a fascinating product it is, too. In its basic form, the PowerLine is ‘just’ a mains distribution board – though it’s actually about as deluxe as such a thing can get, with silver-plated wiring, high-quality sockets, a solid metal chassis and so on. But the Axis variant adds something very unusual in mains filtering called DC blocking.