1 file mouse board structure: This product is from the middle of the plate and both sides of the slot and four expansion nail enough to 2. Stalls mouse board Material: This product is made of high-strength aluminum alloy overall customized, high visibility and practicality High! Reflective tape affixed to the upper part of professional engineering grade reflective sheeting made of reflective film plus back tape durable. 3 mouse board length data file confirmation method: File mouse board is the length of the door according to customers' specific use of the width of the decision, order customized customer requirements when the width of the wall on both sides of the door, you need accurate data, error ± 2mm. Mice hazards of the power system are the following: 1. Shorted electrical power and have a great problem of the high will lead to short-circuit damage to components in the circuit, it may cause fire accidents 2. Sudden short circuit voltage drop, seriously affecting the normal operation of electrical equipment 3 short circuit protective devices such as fuses blown fuse will cut short circuit, which can cause power outages, but the closer the short circuit power, the greater the scope blackout caused inconveniences of living and economic losses 4. severe short-circuit may affect the stability of power system operation, parallel operation of generators can get out of sync, causing the system splitting 5. asymmetrical short circuit, like the single-phase and two-phase short circuit, short-circuit current will produce a strong imbalance alternating electromagnetic field, the nearby communication lines, electronic equipment and other produce electromagnetic interference, affecting its normal operation, it may lead to malfunction 4 files mouse board Surface treatment: File mouse board surface embalmed hard, beautiful. Affixed at the top of the bezel 50mm black and yellow reflective tape, available in light or other light sources reflected light irradiation, played the role of personnel warning facilitate personnel access! http://www.botongdianli.net/