08:11AM | 11/07/03
Member Since: 07/02/03
30 lifetime posts

I just purchase wall sconce to mount in my hallway. There is no existing fixture and I'll be powering it from the hallway light so they'll both work on the same switch. The new light warns me that older houses use 60 degree wiring and this light requires 90 degree wiring. The wiring from the new light to the old one will be rated for 90 degree the rest will not. The unqualified gentleman at HD tells me this is ok. Is it? I don't want to burn my house down or violate any codes.



08:32AM | 11/07/03
Member Since: 09/17/02
524 lifetime posts
As long as the wire coming into the box you will attach the fixture to is 90 degree you will be ok. It is common to only replace the last 1 foot of wire(with an appropriate juntion box for the splice) to gain the needed 90 degree rating.

The reason is because of heat from the bulbs. The bulb heat will not affect the other wirng on the circuit.

[This message has been edited by joed (edited November 07, 2003).]


01:37PM | 02/20/04
Member Since: 02/16/04
4 lifetime posts
I have the same question regarding a new light fixture in an old house. How can you tell what type of wire is already in use? The new fixture needs min 90 degree & has a warning saying most homes built before 1965 have 65 degree = how can I tell what I have?

doug seibert

04:18PM | 02/20/04
Member Since: 08/10/02
842 lifetime posts
The new wiring designation is NM-B.........

The Old is just NM.........

Unless the house is Brand new the wire will have to be "changed" ......per Joed above

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