Glove ratings

[CPorter]

Are gloves rated by RMS or Peak voltage? The gal at Salisbury said AC or DC but didn't know anything about RMS or Peak.

 

[zog]

Are gloves rated by RMS or Peak voltage? The gal at Salisbury said AC or DC but didn't know anything about RMS or Peak.

AC RMS, same as DC, she should know better.

 

[mivey]

AC RMS, same as DC, she should know better.

Somebody there does, maybe not her.

 

[zog]

Somebody there does, maybe not her.

I did not mean to imply they do not know thier business, I have worked closely with some of the engineeriers at salisbury and they do some of the best R&D in the business. Some of the sale people repping them are lacking in product knowledge. The OP's question is something that should be an easy answer for someone selling gloves, it is like an electrician not knowing what the units of current flow is.

 

[mivey]

I did not mean to imply they do not know thier business, I have worked closely with some of the engineeriers at salisbury and they do some of the best R&D in the business. Some of the sale people repping them are lacking in product knowledge. The OP's question is something that should be an easy answer for someone selling gloves, it is like an electrician not knowing what the units of current flow is.

I did not think you were implying that at all as I was discussing the rep. One of our employees came to mind when that was mentioned.

Unfortunately, not every one making sales knows what they are talking about in every instance. She was probably put in a position that is over her head at times. What irritates me is when they just wing it instead of saying "I don't know" or "let me find out for you".

 

[busman]

AC RMS, same as DC, she should know better.

The Salisbury catalog shows that the gloves are rated for different voltages for AC and DC. This makes sense, since RMS is a term that really was derived to make power calculations simpler. The breakdown of insulation is really a function of peak voltage. You see this approximate relationship (a 1.414 multiplier to convert RMS to peak for a sine wave voltage) in the Salisbury ratings. Such as gloves rated: 500VAC / 750 VDC. The peak of the 500 VAC voltage is 707 V.

 

[richxtlc]

This should answer the question
Table I-2. - A-C Proof-Test Requirements
____________________________________________________________________
| |
| | Maximum proof-test current, mA (gloves only)
| |____________________________________________
| | | | |
| Proof-test | 267-mm | 356-mm | 406-mm | 457-mm
Class of | voltage | (10.5-in) | (14-in) | (16-in) | (18-in)
equipment| rms V | glove | glove | glove | glove
_________|________|__________|________|_________|____________
| | | |
0........| 5,000 | 8 | 12 | 14 | 16
1........| 10,000 | ....... .. | 14 | 16 | 18
2........| 20,000 | ....... .. | 16 | 18 | 20
3........| 30,000 | ........ . | 18 | 20 | 22
4........| 40,000 | ........ . | ... .... | 22 | 24
________________ _____|___________|_________|_________|____________


Table I-3. - D-C Proof-Test Requirements
____________________________________________________________________
|
Class of equipment | Proof-test voltage
__________________________________|________________________________
|
0.................................| 20,000
1.................................| 40,000
2.................................| 50,000
3.................................| 60,000
4.................................| 70,000
__________________________________|________________________________