90 u00b0 angle with corresponding conductors 70 72 and 74 bent to correspond to the configuration of the support 68 however it will be understood that the support may be provided in various other shapes such as other angular configurations or curved fig5 a as will be appreciated the conductors 70 72 74 are fitted with connectors 62 and 64 in the manner described previously for the conductors 14 18 with reference to fig6 electrical power is preferably supplied to the conductors by connection of the conductors 14 and 18 of a system 10 to leads 80 and 82 from a power supply 84 and connection of the conductor 16 of a system 10 to another lead 86 of the power supply 84 and connectors 64 and 62 it being understood that the down line conductors are in serial connection with the other conductors via the connectors 62 and 64 leads 80 and 82 are preferably in electrical communication with one pole of the power supply e g the 34 34 or negative pole and the lead 86 with the other pole e g the 34 34 or positive pole or vice versa electrical power may be supplied to the power supply as by connection of the supply 84 to a standard 110 vac outlet 88 as by cord 90 the power supply 84 is preferably a power supply available under the trade name sure shock controller model ss 550 from fi shock inc of knoxville tenn and having a nominal output voltage of about 1 200 vac intermittent with a nominal maximum short circuit output current of about 12 ma other suitable power supplies include a solar powered.