24 Matahiti 2012

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Nahea ia tupohe i te mau mori purapura

E rave rahi mau taata e hoo nei i te mau mori purapura no te mau ati rû, aita râ ratou i papû maitai i te faanahoraa no te tereraa o te manureva. No te pahono i teie fifi, Ua papai au i teie tumu parau ma te tiaturi e horoa i te tauturu.

Te mau mana'o tauturu no te haapiiraa e te arairaa i te mau fifi rû

Te mau ravea no te arai i te ma'i:

Mai te mau mori purapura tamau, E toru niuniu i roto i te mau mori no te mau ati rû, tata'itahi i roto i te mau û taa ê:

a. Purple (e aore râ, uteute): Ora ma te ti'a;

b. Ereere: Neutral wire;

c. Blue: Switch wire.

Before wiring, we must consider whether we will use the light only in emergencies or also during regular conditions.

1. For emergency use only: Simply connect the live and neutral wires.

2. For regular use, like the wiring method used in gas station explosion-proof lights: Connect the switch wire and the live wire to the same live terminal, fit a switch on the switch wire, and connect the neutral wire as usual. Note that there is still only one neutral wire coming in.

I te rahiraa o te taime, our gas station’s explosion-proof emergency lights have three wires, two of which are stripped, and one that is not. If you wish to cut the power, connect the two stripped wires. If you want the light to be on continuously, regardless of power availability, connect all three wires, where one is the switch wire, essentially a live wire, resulting in two live wires and one neutral wire.

Te mau mana'o faufaa:

1. Correctly understand the characteristics of each wiring method to avoid improper connections that fail to function as intended.

2. If the explosion-proof emergency lighting is part of the normal lighting system, a three-wire control method should be used.

3. For multi-storey public buildings without a fire control center, local switch control (individual or group control) or three-wire centralized control can be used for each explosion-proof emergency light.

4. In projects with a fire control center, to meet the requirements during a fire, the emergency lighting on the fire floor and related floors can be activated from the control center.
By adhering to these guidelines and understanding the wiring methods, users can ensure their explosion-proof emergency lights function effectively and safely.

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