SHP v NSH ignition voltage confusion

Jacknife · 12th November 2009, 02:36 PM

On every where I look, it says that SHP is low voltage DC and NSH is high voltage DC.

Most places i've researched say low voltage bulbs have the lead wire twisted on top portion of bulb and high voltage bulb doesn't or just has one twist on top portion of bulb.

Then why has my Infocus LP600 (200W SHP) has one twist and my HP VP6121 (200W NSH) has lots of twists on the top part.

Does that mean that SHP is actually high voltage whereas NSH is actually low Voltage ignition?

ywh · 18th November 2009, 02:57 PM

SHP: some one is low Voltage ignition,
NSH: high Voltage ignition,
take a look the ballast, that is high Voltage ignition if there is a FLY BACK TRANSFORMER

Jacknife · 22nd November 2009, 02:13 AM

If NSH is high voltage ignition, then why is it that the original lamp in a HP VP6121 has a lot of windings on the top portion?

ywh · 22nd November 2009, 04:34 AM

a lot of windings can help ignition, every burner have windings

12th November 2009, 02:36 PM	#1
Jacknife diyAudio Member Join Date: Nov 2009	SHP v NSH ignition voltage confusion On every where I look, it says that SHP is low voltage DC and NSH is high voltage DC. Most places i've researched say low voltage bulbs have the lead wire twisted on top portion of bulb and high voltage bulb doesn't or just has one twist on top portion of bulb. Then why has my Infocus LP600 (200W SHP) has one twist and my HP VP6121 (200W NSH) has lots of twists on the top part. Does that mean that SHP is actually high voltage whereas NSH is actually low Voltage ignition?

18th November 2009, 02:57 PM	#2
ywh diyAudio Member Join Date: Dec 2002 Location: Earth	SHP: some one is low Voltage ignition, NSH: high Voltage ignition, take a look the ballast, that is high Voltage ignition if there is a FLY BACK TRANSFORMER __________________ I accept www.moneybookers.com and Paypal (email: yuweihua@163.net). Cement can NOT be posted, thus u have to get your own cement, which is heat-resistant type, which is heat-resistant type used at fireplace

22nd November 2009, 04:34 AM	#4
ywh diyAudio Member Join Date: Dec 2002 Location: Earth	a lot of windings can help ignition, every burner have windings __________________ I accept www.moneybookers.com and Paypal (email: yuweihua@163.net). Cement can NOT be posted, thus u have to get your own cement, which is heat-resistant type, which is heat-resistant type used at fireplace

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22nd November 2009, 02:13 AM	#3
Jacknife diyAudio Member Join Date: Nov 2009	If NSH is high voltage ignition, then why is it that the original lamp in a HP VP6121 has a lot of windings on the top portion?

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