Precautions for installing lighting distribution boxes

Release time:

2022-04-23

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Abstract

(1) The air circuit breaker inside the lighting distribution box is generally installed by professionals according to the owner's requirements. The air circuit breaker should be installed with the principle of operating upwards for closing. The standby position should be sealed with dedicated insulating materials.

(1) The air circuit breaker inside the lighting distribution box is generally installed by professionals according to the owner's requirements. The air circuit breaker should be installed with the principle of operating upwards for closing. The standby position should be sealed with dedicated insulating materials.

 

(2) To save costs, a 1p air circuit breaker can be used for lighting or socket circuits, but the load current of each single-phase branch circuit should not exceed 16A, the number of lamps in each single-phase branch circuit should not exceed 25, and the number of sockets in each single-phase branch circuit should not exceed 10; if lamps and sockets are mixed in one circuit, the number of sockets should not exceed 5.

(3) The neutral line and maintenance grounding line should be connected to the terminals of the busbar and must not be mixed, and the wire diameter must meet the requirements.

(4) The colors of the phase line, neutral line, and maintenance grounding line should meet the requirements. The phase colors for L1, L2, and L3 are yellow, green, and red respectively, the neutral line is blue, and the grounding line is yellow-green.

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