Everything you need to know about SPDs – why we need them, what the regulation say and how to use them to protect different zones. Darren and Dave spark up the chat with Robin Earl of Dehn UK. 

Topics: 

• SPDs and why we still need them
• What BS 7671 says about SPDs
• What do SPDs do and why they need to be co-ordinated
• The difference between type 2 and Type 3 SPDs
• Zones and protected areas explained
• Inside the Dehn factory
• SPD life span
• SPDs and over current protection

SPDs - https://bit.ly/3VfnzWt