FORD E-EX002-1996 PORTABLE EQUIPMENT AND ACCESSORIES《便携式设备和配件》.pdf

1、4#ia!B Manufacturing Standards E PORTABLE EQUIPWENT AND ACCESSORIES SECTION 1. SCOPE 1.1 GENERAL This standard covers the basic requirements for all portable equipment and accessories and is intended to meet safety requirements, extend the working life of the equipment and to promote uniformity thro

2、ughout the Company (Ford of Britain). It shall be deemed to cover, whether- specifically mentioned or not, such apparatus and parts as may be necessary for the safe and satisfactory operation of any Portable Equipment and Accessories used on any of the Companys premises. 1.2 TYPICAL EQUIPMENT COVERE

3、D BY THIS STANDARD :- * Hand Lamps * Welding Sets * Hand Tools * pumps l Transformers * Compressors l Bench tools * Floor Cleaning machines * Heaters * Plugs h Sockets * Fans (man cooling) * Miscellaneous equipment 1.3 APPLICATION Equipment components and accessories described in this Standard are i

4、ntended for use in all Industrial locations but excluding areas designated as hazardous ie. where flammable substances and explosive vapours or dusts are present except where specifically stated. 1.4 HHLATED STANDARD S AND SPECIFICATIONS All equipment supplied for use on Company premises shall compl

5、y with :- The Provision and Use of Work Equipment Regulations 1992 and all subsequent amendments and additions, Note : Manufacturing ELECTRICAL EQUIPMENT PORTABLE E-EXO02 Administration DESIGN AND REiEEZENCE DATA AUGUST 1996 PAGE 1 OF 11 Manufacturing Standards ai!b 1.4 Continued Equipment shall als

6、o comply with all relevant British Standards covering specific aspects of equipment design, construction and testing. SECTION 2. FLEXIBLE CABLES 2.1 GENERAL 2.1.1 All cables shall be rated to 300/500 volts, and be of heavy duty type, incorporating the following features :- * fine conductor wires for

7、 high flexibility * Colour-coded conductors in accordance with Ford Standard U-BXOOl * Cable sheathing to suit the working environment ie. :- i) pry areas - PVC! ii) wet/oily areas - PUR or NEOPRENE Any special environmental concerns shall be discussed with the Ford Specifying Engineer. 2.1.2 The mi

8、nimum cable size and maximum allowable lengths fitted to the equipment shall be as shown in Appendix No-l. 2.1.3 All cables shall be of a rating suitable for the full load current of the equipment connected, with due allowance being given to voltage drop and short circuit protective devices of the s

9、ervice socket outlet provided for use. 2.2 CABLE INSTALLATION 2.2.1 All flexible cables shall be protected by a suitable reinforced flexible sleeve at the point of entry to the equipment connector. An efficient purpose made cable grip shall be fitted to prevent strain on the individual conductors. 2

10、.2.2 Bxtension leads for extending the cables fixed to equipment shall not be used on voltages exceeding + 55 volts to earth potential. (110 volts centre- tapped transformer) 2.2.3 Rxtension leads shall not in any circumstances be fitted with 2 male connectors. E-EXOO2 ELECTRICAL EQUIPMENT PORTABLE

11、Manufacturing PAGE 2 OF 11 Administration DESIGN AND REFERENCE DATA AUGUST 1996 aiIiiiD Manufacturing Standards E SECTION 3. PLUG AND SOCKET CONNECTIONS 3.1 GENERAL 3.1-l All plugs, sockets, connectors, adapters and equipment terminations shall be properly designed and constructed for the purpose. T

12、hey shall have efficient means of maintaining satisfactory EARTH continuity throughout the system. 3.1.2 Plug and socket connections shall be non-reversible, the RAR!CH contact shall make before and break after the LIVE contacts. 3.1.3 All cable terminals which utilise lock-washers shall be designed

13、 so as to retain the washer with the screw. 3.2 INSTAIAATION 3.2.1 Plugs and sockets shall be designed and selected to serve a particular service, !Fhey shall not be interchangeable between different voltages or frequencies. 3.2.2 Where plugs and sockets are captured by locking rings, or clips, whic

14、h may impede withdrawal and cause delay in an emergency, a switch isolator shall be installed immediately adjacent to the socket to enable it to be isolated from the SuPPlY- 3.2.3 Sockets and switches designed to serve flameproof handlamps etc., shall be installed OUTSIDp the danger area, unless the

15、 outlet and the switch are of flameproof construction. 3.2.4 For socket outlets operating at a voltage in excess of, but not including 250 volts AC., the outlet shall be a combined switch-socket designed to mechanically interlock the plug with the switch. 3.2.5 Sockets serving high-cycle tools may h

16、ave one isolating switch to service a maximum of four sockets at a maximum distance of 6 metres between the furthest socket and the switch. Care should be taken when siting means of isolation that no moving equipment obscures the access to it. eg. conveyors etc., if this is unavoidable, additional i

17、solation points shall be provided. 3.2.6 It is recommended that all socket outlets connected to systems with a higher voltage than + 55 volts to earth are provided with a Residual Current Device of high sensi:ivity not exceeding 30mA. SECTION 4. EIAND LAMPS AND ELOODLIGHTS 4.1 GSNRRAL Manufacturing

18、Administration ELEXZTRICAL EQUIPMENT PORTABLE DESIGN AND REFERENCE DATA E-EXOO2 AUGUST 1996 PAGE 3 OF 11 Manufacturing Standards 4.1.1 Continued. Preferred types of hand lamps should be of ALL INSULATED material construction with safety guard enclosed lamps, fitted with a shield and of heavy duty co

19、nstruction. 4.1.2 Floodlights shall be of ALL INSDLATFD construction where practicable. Any metalwork of free standing portable floodlights and stands shall be efficiently EARTHED, with a common EARTH bond between parts, and with bond connections clearly visible. 4.1.3 Metal lamp holders forming par

20、t of an ALL INSULATED assembly need not be bonded to earth provided that they are so isolated, screened or insulated that they are not liable to allow contact with the live parts of earthed metal. 4.1.4 The complete assembly and components forming a hand lamp-shall be capable . . . of withstanding s

21、evere handling and exposure to oils, grease, coolant and I solvents without damage. 4.2. VOLTAGE REQUIREMENTS t. 4.2-l The supply voltage for handlamps and floodlamps shall not exceed + 55 volts to earth. I SECTION 5. PORTABLE TRANSFORMERS 5.1 GENERAL 5.1.1 All single phase transformers designed for

22、 use with portable equipment not DOUBLE INSULATED shall be double wound and screened between supply and secondary coils. The screen and the centre point of the secondary coil shall be connected to the EARTH conductor. 5.1.2 All single phase or three phase transformers designed for use with portable

23、equipment not DOUBLE INSULATED and operating at above + 55 volts to earth shall be provided with a monitoring earth leakage unit to-detect broken earth conductor circuit and or earth fault conditions. ( Note: a pilot pin for monitored earth is required in addition to phase conductors and factory ear

24、th connection see Appendix 4). 5.2. ENCLOSURES 5.2.1 All components including terminals shall be housed in a robust steel or insulated material case, with suitable markings on the case to indicate ratings and duty of the unit. E-EXOO2 ELECTRICAL EQUIPMENT PORTABLE Manufacturing Administration DESIGN

25、 AND REFElRENCE DATA PAGE 4 OF 11 AUGUST 1996 ca!i!iBB Manufacturing Standards E SECTION 6. FLOOR CLEANING MAmINES 6.1 GENERAL 6.1-l The Floor Cleaning Machine description covers at least the following :- Floor washers, Floor polishers, Floor sweepers Vacuum units for dust, water, sludge Floor scrub

26、bers, brush type 6.2 CONNECTION TO ELECTRICAL SUPPLY 6.2.1 Supply voltage shall not exceed 110 volts between phases 6.2.2 All metal or conductive parts of the units shall be efficiently earthed 6.2.3 A separate control shall be installed on each machine for starting and stopping the motor(s). The co

27、ntrols shall be readily accessible and clearly marked to show whether in the ON or OFF position. 6.2.4 Motor controls shall incorporate the following features :- * an under-voltage device designed to prevent automatic restarting after any interruption caused by reduction or loss of supply voltage. *

28、 a suitable device to provide protection against excess current occurring in the load side of the motor control. 6.2.5 Provision shall be made for securing or storing the cables when not in use. SECTION 7, PORTABLE WACHINRS 7.1 GENERAL 7.1-l Portable machine describes any unfixed machinery or bench

29、tools normally supported or mounted on a portable frame or bench, including the following types * Welding sets * Compressors * Drilling machine * Grinding machine * Pumps + Metal saws * Thread forming machine 7.1.2 All other requirements are covered with section 6.2.1 to 6.2.5 SECTION 8. HAND TOOLS

30、8.1 GENERAL Manufacturing Administration ELECTRICAL EQUIPMENT PORTABLE E-EXOO2 DESIGN AND REFERENCE DATA AUGUST 1996 PAGE 5 OF 11 Manufacturing Standards 4!#D Class I Earthed Tools Class IIa Insulated Encased Class II Tools Class IIb Metal Cased Class II Tools Class IIc Tools which are a combination

31、 of types a and b Class III Safety Extra Low Voltage Tools Note :- Tools within Classes IIa IIb PROTECTIVE CIRCUIT BRE74KER I I I NO I I I PILOT CONDUCTOR LOW VOLTAGE tSOLATING CRBNSEORMBR MONITORING LOOP PILOT PIN I PLUG h SOCKET -_- _ 7 TO EN 60309 PT.2 CIRCUIT PROTECTIVE CONDUCTOR NOTE: CONNECT A TO E BY METAL HOUSING OR LINK. FOR THREE PEASE EQUIPMENT, E.G. PUMP MOTOR; Manufacturing ELECTRICAL EQUIPMENT PORTABLE E-EXO02 Administration DESIGN AND REFERENCE DATA AUGUST 1996 PAGE 11 OF 11