HEDI Main catalogue Page 68
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FAQ Frequently asked questions: Cable Reels What should I look for when choosing a cable reel? In this catalogue, at the beginning of each cable reel chapter, an ed with. In general, the larger the cross-section, the greater the example of an application is described for which we recommend a potential amount of electricity. particular cable reel. A common cross-section is 3G1.5. This means that the cable consists of 3 cores, each with a cross-section of 1.5 mm². The "G" / What types of cables are there? stands for the green-yellow protective earth conductor. This desigThe first decision that should be made when choosing a cable reel nation is standardised throughout Europe. is the type of cable. The different cable types differ particularly in terms of their intended use, resistance to moisture and UV radia- / What cable length do I need? tion. The cable length is decisive when selecting a cable reel. The larger PVC cable (H05VV-F): In this cable, both the insulating sheath the diameter of the reel body, the greater the cable lengths and and the jacket are made of PVC plastic and are only approved for larger cross-sections the reel can potentially support. Please note that with increasing cable length and higher cross-section, the use in dry environments. The nominal voltage is 300 / 500 V. weight of the reel also increases significantly. The cable length Rubber cable (H05RR-F): Both the insulating sheath and the can be found in the table of each cable reel model in the column jacket of this cable are made of natural rubber and are approved "Length". for use in dry environments and for short-term outdoor use. The When used indoors, you usually have to bridge less distance, for nominal voltage is 300 / 500 V. which shorter cable lengths (e.g. 25 m) are often sufficient. In Neoprene-rubber cable (H07RN-F): In this cable, the insulating outdoor applications and on construction and assembly sites, the sheath is made of natural rubber and the jacket of neoprene-rub- routes are usually much more extensive. As a standard dimension, ber. It is approved for permanent outdoor use and is oil and acid we recommend a reel with 40 m cable length here. This measureresistant. The rated voltage is 450V / 750V. We offer this cable in ment is practical and covers most uses. two different colours. / Black or coloured cable? Armoured cable (K35/AT-N07V3V3-F): In this cable, both the insulating sheath and the jacket are made of cold-resistant PVC The standard colour of a cable is black. Nevertheless, when buying plastic. It is approved for permanent outdoor use. This cable is ex- a cable reel, you should consider whether it would not be better tremely robust against abrasion and crushing, completely weath- to have a coloured cable. A coloured cable is much more visible erproof, oil- and acid-resistant, microbe-resistant and embrittle- when it is unrolled on the floor. This can prevent accidents. We also ment-proof. The approved temperature range is -35°C to +80°C. offer the cable colours red (for neoprene-rubber cables H07RN-F) The rated voltage is 450V/750V. Attention! Not approved for use or orange, yellow, green, blue (for armoured cable PLUS H07BQ-F). on German construction and assembly sites. / Which cable reel material is recommended? Armoured cable PLUS (H07BQ-F): In this cable, the insulating sheath is made of synthetic rubber and the jacket of polyurethane. Plastic or sheet steel, depending on the intended use. The EmployIt is approved for permanent outdoor use. This cable is extremely er's Liability Insurance Association (DGUV-I 203-006) stipulates robust against abrasion and crushing, completely weatherproof, that only plastic cable reels may be used on German construction oil- and acid-resistant, microbe-proof, embrittlement-proof and sites. withstands high mechanical stress. The approved temperature range is -40°C to +90°C. The rated voltage is 450V/750V. We We at HEDI recommend an all-plastic cable reel. This refers to a reel offer this cable in four different colours and with personalised that is made entirely of plastic. cable printing. Especially where electricity flows, plastic is the only right choice as / What are the cable cross sections? a non-conductive material. By developing a high-quality all-plastic cable reel, we thus minimise the risk of electric shocks and injuries Once you have decided on a particular type of cable and select- enormously. ed a reel from the range, you should decide on a cable cross-section. You will find this in the "Cross-section" column. The cable Sheet steel cable reels are still considered to be resistant and ducross-section determines how much current the cable can be load- rable. The plastic we use in the production of our reels is extremely 68
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