Self-Checking Relays Part Two

Self-Checking – high integrity relays – PART 2 of 2 The challenge we issued in our last blog began with two relays (wiring their normally open contacts in series as in Figure 7). This is a simple way to improve the reliability, but the improvement is marginal at best...

Self-Checking Relays

As we begin our blog series for 2018 Phoenix Technical Group wants to remind you that first and foremost we offer cost effective technical advice in the form our Kindle technical books, print books on Amazon, as well as the blogs we post twice each month. If you have...

Conclusions of Reach and RoHS Blog 3

Conclusions of REACH and RoHS Blog 3 In the first part (#1) of this blog we considered why REACH – RoHS are Different from Product Safety and EMC and how to reduce component and of holding stock costs ….. In  (#2) of this blog we looked further into environmental...

Reach and RoHS Conclusions

  Conclusions of REACH and RoHS #1 and #2 In the first part (#1) of this blog (published Nov 24th) we considered why REACH – RoHS  are Different from Product Safety and EMC and how to reduce component and of holding stock costs ….. In this second part (#2) of this...

REACH – RoHS Why They Are Different

REACH – RoHS and why they are Different from Product Safety and EMC  and how to reduce component and costs of holding stock  ….. The European Chemical Agency (ECHA Pronounced “EK – HA”)  is charged with Chemical aspects as they relate to EU Environmental...

Salute to Kidde’s Product Recall

We would like to offer a salute to Kidde for the extremely good job of issuing a product recall for certain fire extinguishers with plastic handles. It happens to everyone – and so it is important to give a clear – concise and simple when warning to...

ELV- SELV

Yes I Admit it. Periodically I look up my name on Sometimes it reveals long forgotten references to my early writings – a couple of times it revealed pirated sources of my books  I also make periodic checks on our common terminology.  It’s amazing what you can...

Managing a Discovered Non-Compliance

Are you a Champ or Chump? Managing a Non-Compliance in Today’s Work Environment Congratulations, You have just started a new job as Technical Manager with responsibility for product compliance. You begin your assessment of existing products; many of which have...

EU Trade Export Help Sites and Secrets

We think our followers will find the following little known internet sites useful for calculating import duties and much more when shipping to the European Union.               Unfortunately,  the USA is not listed among the list of...