Electrical Code-New Construction

[plummen]

The only place we are required to use purple primer is down in ditches on sewer work so the inspector can see its been primed .

The only time you see purple primer above ground around here is from homeowners doing their own work,Or craigslist hack artists butchering things up from the back of a pickup truck.

Ive never seen purple primer on a professional furnace install around here any way.

Theres no differance between the 2 primers other than the nasty purple dye.[:-yuck]

[Jim Katen]

The only place we are required to use purple primer is down in ditches on sewer work so the inspector can see its been primed .

The only time you see purple primer above ground around here is from homeowners doing their own work,Or craigslist hack artists butchering things up from the back of a pickup truck.

Ive never seen purple primer on a professional furnace install around here any way.

Theres no differance between the 2 primers other than the nasty purple dye.[:-yuck]

And then there's the blue cement that doesn't require primer. . .

For those interested in the practical utility of PVC primers, this bit of original research makes for some very enlightening reading:

https://www.plumbingsupply.com/the-grea ... ebate.html

[plummen]

The blue glue is normally wet set cement,They do make one shot pvc cement that doesnt require primer also.

[mjr6550]

The only place we are required to use purple primer is down in ditches on sewer work so the inspector can see its been primed .

The only time you see purple primer above ground around here is from homeowners doing their own work,Or craigslist hack artists butchering things up from the back of a pickup truck.

Ive never seen purple primer on a professional furnace install around here any way.

Theres no differance between the 2 primers other than the nasty purple dye.[:-yuck]

Apparently your area does not follow the IRC. The link below also indicates that primer is needed for most PVC solvents.

http://www.oatey.com/doc/lcs357d-oatey- ... 1415lr.pdf

[Jim Katen]

. . . The link below also indicates that primer is needed for most PVC solvents.

http://www.oatey.com/doc/lcs357d-oatey- ... 1415lr.pdf

Unless they're blue . . .

[Chad Fabry]

Good article, Jim. Thanks for sharing.

[kurt]

Yes, excellent article. I've never understood the logic for primer. It's all the same stuff.

The main cause of failure, in my experience, is not holding the components tightly together until initial set, or not enough glue (meaning applying glue to both sections being assembled). Loosely translated, that means doofus installers, which I've been on occasion.

[plummen]

. . . The link below also indicates that primer is needed for most PVC solvents.

http://www.oatey.com/doc/lcs357d-oatey- ... 1415lr.pdf

Unless they're blue . . .

I didnt say we dont use primer ,I said we dont use the nasty purple stuff for above ground work.

We use clear primer for above ground plumbing work and furnace work.

The one shot glue is also code,but it costs a lot more money.

[mjr6550]

. . . The link below also indicates that primer is needed for most PVC solvents.

http://www.oatey.com/doc/lcs357d-oatey- ... 1415lr.pdf

Unless they're blue . . .

I didnt say we dont use primer ,I said we dont use the nasty purple stuff for above ground work.

We use clear primer for above ground plumbing work and furnace work.

The one shot glue is also code,but it costs a lot more money.

The reason why the IRC requires purple primer is so an inspector can tell if it was used. I guess if you area deoes not follow the IRC then that is fine.