IEC leads. I remember when (kettle leads) first appeared, these were uses to connect the mains to a kettle and were rated at 13 amps. IEC leads had cable which had a cross sectional area of 1.5 mm and they were fitted with plugs with a 13 amp fuse . This arrangement... Read more
PAT – Portable appliance testing FAQs http://www.hse.gov.uk/electricity/faq-portable-appliance-testing.htm I think this will be helpful for you to understand the legal position with regards to Portable appliance testing. in particular the case studies are... Read more
Combined signal and power cables “Why are the lighting and sound cables different” Well one thing to point out is that dmx uses rs485 and the physical layer of RS 485 requires a cable with a characteristic impedance of 120 ohms This prevents unwanted reflections of... Read more
Its great when customers bother to comment on the service they have recieved Here are the latest two Sarah Swarbrick , the drama teacher from St Edmunds in Portsmouth writes Hi John, Just wanted to say a massive thank you for today. We were so impressed with... Read more
At first sight using LED par cans and Tri Colour colour mixing seem like the ultimate solution. Any colour from any lantern . No more changing gels. Less space on the rig…. Apart from the obvious one that “LED par cans do not produce anything with a wave... Read more
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