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Lighting Circuit Topology
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<blockquote data-quote="rowan.bradley" data-source="post: 552297" data-attributes="member: 37323"><p>Thank you for that. What is the difference between a maintenance free junction box, and one that is not maintenance free? How do I tell whether the MK junction boxes that I have just bought are maintenence free or not? If the junction box is in the roof space, does that count as "concealed", or not?</p><p></p><p>My consumer unit has a 30mA RCD in it, but the lighting circuits are not in the protected part of the CU? What's the best way out of this? Move the lighting circuit to the protected part of the box (which will involve moving a lot of stuff around becuase the box is completely full)? Add another RDC (again difficult because the box is full). Change the MCB for the lighting circuit to an RCBO? Fit an in-line RCD? Or anything else?</p><p></p><p>Thank you - Rowan</p></blockquote><p></p>
[QUOTE="rowan.bradley, post: 552297, member: 37323"] Thank you for that. What is the difference between a maintenance free junction box, and one that is not maintenance free? How do I tell whether the MK junction boxes that I have just bought are maintenence free or not? If the junction box is in the roof space, does that count as "concealed", or not? My consumer unit has a 30mA RCD in it, but the lighting circuits are not in the protected part of the CU? What's the best way out of this? Move the lighting circuit to the protected part of the box (which will involve moving a lot of stuff around becuase the box is completely full)? Add another RDC (again difficult because the box is full). Change the MCB for the lighting circuit to an RCBO? Fit an in-line RCD? Or anything else? Thank you - Rowan [/QUOTE]
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