All Questions
30
questions
0
votes
1
answer
36
views
Need USB C cable / connector insulation voltage....and ESD on shield, will impact the internal signals
Any one know how much voltage the standard USB C cable insulation can withstand?..Also want to know shield to internal conductor insulation..If I apply ESD on the connector shield, will it impact the ...
- 137
1
vote
1
answer
70
views
Balancing high voltage and ESD safety for a work bench [closed]
I own various large stainless steel benches which I'm using to sit heavy equipment (200kg+ per bench). Some of this equipment will need new electronic components i'll have to wire up, such as 120vac ...
- 113
2
votes
2
answers
989
views
Can I wear ESD protection while handling a live PCB?
Are ESD wrist straps, gloves and table mats safe to use while handling a live PCB or a turned on Raspberry Pi, for example?
What I intend is to protect the components against static discharges.
- 29
4
votes
3
answers
564
views
How to test an anti-static mat that says \$10^7 \sim 10^9 \Omega\$ surface resistance
I just bought a well-made mat that says surface resistivity is 107 ~ 109 Ω.
The multimeters on the market test up to like 20 MΩ.
If I buy a multimeter to test it:
If it displays infinite, I won’t ...
- 177
1
vote
1
answer
89
views
Could ground faults in the same building affect my anti-static grounding plug?
I have some tools for anti-static purposes for repairing a computer: an anti-static wrist strap, an anti-static mat, a grounding plug on which only the earth pin is metal (the hot and neutral are ...
- 177
8
votes
1
answer
2k
views
What are the drawbacks of connecting circuit GND and Chassis via multiple mounting screws (for EMC and Safety)?
Although there are various suggestions around for how to connect circuit GND to the earthed chassis (say, the chassis has a point-to-point resistance of around 1 mΩ) in devices, there seem to be two ...
- 22.5k
0
votes
0
answers
188
views
Is this type of polyethylene mat ESD safe?
I have a few metal keyboards which have a slight risk - if there is too great a charge, it will go through the case and potentially short the PCB inside. Ideally the case is designed well enough to ...
- 11
2
votes
0
answers
125
views
Designing a mains powered device in metal chassis, EMC/EMI/ESD/safety considerations for CE testing
I hope this topic is not too broad. I will formulate it as specific as possible.
I have read many articles and guides about EMC testing, but I am still unsure whether I am overlooking something ...
- 22.5k
1
vote
1
answer
160
views
Possible capacitive coupling on soldering iron
I have bought a cheap soldering iron. It seems to work fine.
Out of curiosity I tested the metal enclosure (and thus also the tip) with an electric tester and it lit up. Then I tested it with a multi-...
- 123
3
votes
2
answers
750
views
ESD protection during lightning storms
I'm new to electronics, and I'm currently building my electronics area. Let's say that I have an ESD bench mount drilled into my wooden workbench, and this ESD bench mount is then connected to the &...
- 1,281
1
vote
0
answers
336
views
Heel strap vs wrist strap around ankle
I am a novice to electronics, and I am currently building a home workstation. In this question on ESD chairs, the user Sparky256 said the following in his answer:
If you are wearing BOTH a wrist and ...
- 1,281
1
vote
2
answers
339
views
ESD chair for home workstation [closed]
As mentioned here, I am a novice to electronics, and I am currently building a wooden workbench. The workbench will have an ESD bench mount and ESD matting over the entire bench. Furthermore, the ...
- 1,281
1
vote
2
answers
175
views
ESD safety when working across multiple workbenches/tables
I am a novice to electronics, and I am currently building a wooden workbench. The workbench will have an ESD bench mount and ESD matting over the entire bench.
I now want to have a small fold-out ...
- 1,281
-4
votes
1
answer
620
views
Are paperclips conductive enough for anti-static purposes? [closed]
I have recently discovered that I am a very silly man. Despite this, for the purposes of laptop repair, I still want to ground myself without spending any more money.
I have recently come in to the ...
- 153
-2
votes
4
answers
740
views
Can I safely ground myself by clipping an anti-static wristband to a half-inserted plug?
I'm having some trouble grounding myself for laptop repair. I cannot get the crocodile clip of my anti-static wristband in to my plug socket (I'm in the UK, so our sockets are a bit difficult) and I ...
- 153