Design and construction dimensions, cable glands and testing of semi-screened 3-phase and unscreened 3-phase with centre pilot tube.Cross References:BS 1858BS 3454BS 4683:Part 2Mines and Quarries Act, 1954Health and Safety at Work etc. Act 1974BS 148BS 240BS 903:Part A6BS 903:Part A16BS 903:Part A19BS 903:Part A26BS 903:Part C2BS 903:Part C3BS 903:Part C4BS 1433BS 1474BS 2782:Part 1:Method 141BS 2782:Part 2:Methods 220 and 221BS 2782:Part 2:Method 230A BS 2782:Part 2:Method 240A and 240BBS 2782:Part 3:Methods 320A to 320FBS 2782:Part 3:Method 335ABS 2782:Part 3:Method 359BS 2782:Part 4:Method 430A to 430D BS 2816BS 2874BS 2918BS 3692BS 4168:Part 5BS 4439BS 5501:Part 1BS 5501:Part 5BS 5501:Part 8BS 5901BS 6346 BS 6622BS 7383BS EN 60529