Unless 30 40 is really gonna cause some problems you might as well own one.
Do i need a anti static building mat and wristband.
You do not need an anti static mat or wrist strap.
Make sure you have one hand or your forearm touching some metal part of the case while working.
There s pretty much no reason not to own one.
I am a field tech and have never carried around a mat or strap.
The difference between using grounding cables separate for a mat or wrist strap as opposed to a common point ground is primarily ergonomic.
Here are some more details about anti static wristband.
The wristband works by redirecting the static discharge through a cord which then follows an antistatic mat or another grounded conductor to the ground.
It is best to have it plugged up and unplug the power connector off the motherboard.
The grounding cable is what connects the anti static mat being used as a work surface to the electrical outlet.
Dude an esd safe mat with a grounding cable and a wristband costs like 30.
I am very careful though and a perfectionist so i handle each piece.
They are normally used along with an antistatic mat that are placed on the working bench.
Just take the other necessary precautions.
I wear one on my ankle.
However having the mat and the wrist strap grounded at the same point does keep them in electrical balance.
This is an elastic band made of conductive fiber such as carbon or carbon filled rubber that are bounded on the hand with a stainless steel plate or clasp.