definition of safety circuit

[lurch]

Can somone confirm exactly waht is meant by "safety circuit" under "prevention of mutual detrimental influence " in the schedule of inspections please.

thanks in advance

 

[garyinderby]

have a look in BS7671 (560.7) would be a start.

Gary

 

[lurch]

yep had a look at that and typically it is open to interpretation.

 

[garyinderby]

dont you just love it? lol

 

[Amp David]

Turn back a page then. It lists types of safety services. Now, I would have thought that a safety circuit would be supplying one of these Safety Sevices, or am I missing the point.

How easy was that to find

 

[NoSparks]

One thing that is definitely a safety circuit is the wireing of an alarm system AFTER the control unit. The wireing from the CU to the control unit is not part of the safety system.

One thing that is definitely NOT a safety system is wireing from the CU to a smoke/heat detector that operates in its own right (ie no control unit).

Does this help?

 

[lurch]

One thing that is definitely a safety circuit is the wireing of an alarm system AFTER the control unit. The wireing from the CU to the control unit is not part of the safety system.

One thing that is definitely NOT a safety system is wireing from the CU to a smoke/heat detector that operates in its own right (ie no control unit).

Does this help?

yes! many thanks