What is the difference between a class AC and a class A RCCB?

FAQs Wiring Accessories and Cable Management
 
Find out here...

Answer:

AC class devices detect residual sinusoidal alternating currents and A class device detects residual sinusoidal currents and residual pulsating direct currents.

More News...

Common FAQ regarding Fire Resistant Cables
What do the letters B, C and D mean on an MC breaker?
On an RCD protection socket outlet what is meant by active protection?
What would be the derating value for a 20 amp MCB at 50ºC?
What does IP55 stand for?
Under the new regulations for fluorescent lights (Part L of the Building Regulations 2002 section 1.54) can I install a fluorescent light in the bathroom to comply with the regulations?
What is meant by maintained and non-maintained relating to emergency lighting?