Better NM wire staples?

JHZR2

Staff member
Joined
Dec 14, 2002
Messages
54,951
Location
New Jersey
I affix Romex to old tight grain wood a lot of times. I like to keep it perfectly straight and true. I use these:

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Getting the standard wire staples in is a major pain. Always. They don’t go in straight. They bend. They’re hard to hit and not not the wire underneath. They’re hard to start in hard wood.

What’s a better bet? I’m done with these things. Maybe in cheap soft pine with giant growth rings they’re ok. In old growth lumber used in my buildings, they just don’t drive.

I may not have much more wiring at the moment but I’d like to be ready for the next ones I need to do.

Something like this might be better, but I’m not sure how well plastic will last in hot environments like unconditioned attics.

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What’s best?

Or am I missing some secret for hammering those staples after all this time?

Old NM in these buildings had these great rectangular, wide staples with angled razor sharp points that work so well.
 
then you need a bigger hammer. old wood is more difficult to nail into lumber today is much softer
I have a heavy framing hammer. Vaughan. Works great for sinking 20d nails through tripled up lumber. Doesn’t work great on these. If anything, more lighter taps from a lighter hammer gives a bit more control.

But that’s why I was wondering if I had a technique issue.
 
You could get a sample of those plastic-and-two-nail staples and heat it in, say, boiling water. I'm confident it'll be fine.
 
I have installed both of these wire staples in my attic and crawlspace for over 25 years and they are as solid as the day they were purchased. The polyethylene can withstand 150 degrees Fahrenheit all summer long without any detrimental effect. GB makes good wiring products.

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https://www.gardnerbender.com/en/p/MSG-501/Cable-Boss-Staple-Gun-Heavy-Duty

https://www.gardnerbender.com/en/p/MPS-2080/5-16-in-8mm-Metal-Insuled-Staples

https://www.gardnerbender.com/en/p/MPS-2100/3-8-in-10mm-Metal-Insuled-Staples

https://www.homedepot.com/p/Gardner..._-202531422-_-1-_-n/a-_-n/a-_-n/a-_-n/a-_-n/a

You’ll still want to apply good amount of downward force to the head of the stapler with older wood. The stapler will have the tendency to spring back stapling older lumber that’s harder, sometimes you’ll have to send the staple home with the side of your lineman’s or hammer.
 
I was told candle wax helps run nails and screws into old growth wood. Never tried it. Not sure I like the idea of a lit candle being in an attic either.

I’m not a fan of metal only staples especially now that the outer jacket of romex is so thin compared to what it used to be. The plastic on the 2 nail style has a purpose.
 
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