Tunnel Lighting Protection

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09.pathak Member Join Date: Nov 2008 Posts: 6	Tunnel Lighting Protection 06/19/2010 2:18 AM
	Dear friends, i wanted to discuss about the protection of tunnel light cable for earth fault. as earth fault is very normal fault which can occur any time due to loose connection on because of unbalancing. since tunnel lights fall in a emergency service which we never want to shut down when there is fire in tunnel. please guide me if there is any NFPA requirement says that in tunnel lighting Earth leakage protection is not required. ATUL PATHAK Deign Engineer Metro Rail...
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Hameedullah Ekhlas Power-User Join Date: Feb 2010 Posts: 187 Good Answers: 11	#1 Re: Tunnel Lighting Protection 06/19/2010 4:13 AM
	I dont know which NFPA for tunnel lighting protection is but you can find some information in BS 6164 tunnel light protection.
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PWSlack Guru Join Date: Jan 2007 Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on. Posts: 31998 Good Answers: 837	#2 Re: Tunnel Lighting Protection 06/22/2010 2:32 PM
	<...earth fault is very normal fault...> How can a *fault* be normal? __________________ "Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
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09.pathak Member Join Date: Nov 2008 Posts: 6	#3 In reply to #2 Re: Tunnel Lighting Protection 06/23/2010 12:11 AM
	i mean to say that earth fault is a very common fault.
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PWSlack Guru Join Date: Jan 2007 Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on. Posts: 31998 Good Answers: 837	#4 In reply to #3 Re: Tunnel Lighting Protection 10/08/2024 5:35 AM
	Then make it uncommon by correct installation and maintenance. Sheesh! __________________ "Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
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